Harrolf Hemel

HARROLF HEMEL

Technology Leader | Deputy CTO | Architecture & Engineering

Technology leader with 20+ years of experience architecting and delivering transformative solutions in banking and fintech. Proven track record of building high-performing engineering teams and driving technical strategy at scale. Led the architecture and platform engineering that powered exponential growth while increasing reliability.

Experienced in cloud-native architectures, financial systems integration, and technical partnership management. Skilled at translating complex business requirements into elegant technical solutions while navigating regulatory environments. Passionate about creating resilient, scalable platforms that enable business innovation and exceptional customer experiences.

Professional Experience

Deputy CTO / Head of Architecture, Engineering & Partners

neon Switzerland AG – Zürich, Switzerland

Apr 2022 – Aug 2025

Established and executed the technical vision for neon's banking services, ensuring scalability, resilience, and security across all systems. Managed a cross-functional team of engineers responsible for infrastructure, (cloud) architecture and third-party integration platforms to enable products like trading and finsights (AI).

Built and maintained a scalable cloud-native platform on GCP supporting over 250,000 customers with 99+% uptime while optimizing for both stability and cost-efficiency. Implemented comprehensive monitoring and dashboarding that transformed technical metrics into business insights, enabling data-driven decision making across the organization.

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Lead of Architecture & Platform Engineering

Credit Suisse (UBS) – Zürich, Switzerland

Aug 2017 – Apr 2022

Member of the management team and responsible for the architecture and Infrastructure within the Case Management Solutions (later called Product Processing). Line manager and Scrum Master of a multidisciplinary team of about 10 FTE covering multiple applications and technologies like: Pega (various versions), Oracle BPM and Databases, Java. Including the support of all the relevant infrastructure.

Project Manager and Architect of the Shareholder Rights Directive (SRD2) solution.

Driver of initiatives like: CI/CD, DevOps, Stability & Performance, Monitoring and Dashboarding.

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Senior System Architect / Engagement Lead

Pegasystems – Amsterdam, The Netherlands

Dec 2013 – Aug 2017

Technical architect and project lead for Pega implementations across banking, insurance, and technology sectors. Led customer relationship management (CRM) and customer onboarding projects, focusing on requirements gathering, solution design, and implementation strategy. Managed global projects in multiple countries including the Netherlands, Turkey, and Portugal, delivering client-centric applications for organizations like Rabobank, VIVAT, and Siemens.

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Business Consultant

Morgan Clark & Company (Mobiquity) – Amsterdam, The Netherlands

Jan 2013 – Nov 2013

Engagements across diverse sectors including telecommunications, media, and insurance. Specialized in IT risk assessment, requirements gathering, and change management. Delivered technical advisory services for enterprise clients undergoing digital transformation, with a focus on middleware strategy and application infrastructure modernization.

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Senior Solutions Consultant / Technical Specialist

TIBCO Software – Rotterdam, The Netherlands

Jul 2010 – Dec 2012

Technical advisor and solutions architect for enterprise clients in banking, government, and aviation sectors. Led architecture reviews, system design, and implementation of TIBCO integration solutions. Guided transformation initiatives for major financial institutions like ING Bank, coaching development teams and establishing architectural standards.

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Integration Specialist / Technical Consultant

Accenture – Amsterdam, The Netherlands

Apr 2005 – Jun 2010

Progressed from Developer to Designer roles while implementing enterprise integration solutions across banking, utilities, and technology sectors. Specialized in TIBCO technologies, designing and developing integration solutions, workflow applications, and B2B connectivity platforms. Established expertise in service-oriented architectures, handling complex integrations for clients including Swisscom, Delta NV, ASML, and F. van Lanschot Bankiers.

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Skills & Expertise

Leadership & Management

Engineering Leadership Team Building & Mentoring Stakeholder Management Vendor & Partner Management Strategic Planning Agile / Scrum PRINCE2

Architecture & Design Patterns

Enterprise Architecture Microservices Event-Driven Architecture Service-Oriented Architecture (SOA) API Design & Management Domain-Driven Design Cloud-Native Architecture

Cloud & Infrastructure

Google Cloud Platform (GCP) Proxmox CI/CD DevOps Infrastructure as Code

Process & Methodology

Business Process Management (BPM) BPMN Digital Transformation Business Analysis Process Optimisation

Data & Integration

SQL Message Brokers / Event Streaming ETL / Data Pipelines API Integration

AI & Automation

Claude ChatGPT Gemini Prompt Engineering Agentic AI Google Antigravity Home Assistant

Monitoring & Observability

Grafana Splunk New Relic AppDynamics Google Cloud Operations Uptime Robot

Productivity & Collaboration

Jira Confluence Miro Git / GitHub Slack MS Office Google Workspace

Education

Computer Science / Information Technology (BSc, ing.)

Drenthe University of Applied Sciences | 1999 – 2004

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Four-year HBO (Hoger Beroepsonderwijs) bachelor's degree programme in Computer Science and Information Technology at Hogeschool Drenthe—a vocational university in the province of Drenthe, Netherlands, with campuses across Assen, Emmen, and Meppel (merged with CHN University of Applied Sciences in 2008 to form Stenden Hogeschool, now NHL Stenden).

Comprehensive curriculum encompassing software engineering fundamentals, system analysis and design, database management systems, and programming methodologies. Core studies included object-oriented programming, data structures and algorithms, information systems development, network infrastructure, and systems administration. Emphasis on practical project-based learning with industry-relevant applications, combining theoretical foundations with hands-on technical skills development.

The programme delivered competencies across the information systems lifecycle: requirements analysis, system design, implementation, testing, and maintenance. Additional focus on emerging technologies of the era including web development, distributed systems, and enterprise application integration. Graduation project (afstudeerstage) involved applying acquired knowledge in a professional setting, bridging academic learning with industry practice.

The "ing." (ingenieur) title is a legally protected professional engineering designation in the Netherlands, awarded upon completion of an HBO-level technical degree programme.

Electronics and Telematics

Drenthe College | 1995 – 1999

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Four-year MBO (Middelbaar Beroepsonderwijs) vocational education programme in Electronics and Telematics at Drenthe College—a regional vocational training centre (ROC) in the province of Drenthe, Netherlands. This technical qualification provided foundational expertise in both electronics engineering and telecommunications systems.

The Electronics component covered electrical circuit theory, analogue and digital electronics, electronic components and systems, measurement techniques, circuit design, and troubleshooting methodologies. Hands-on training included working with electronic test equipment, interpreting technical schematics, and installing, maintaining, and repairing electronic systems and installations.

The Telematics (telecommunications + informatics) specialisation focused on the convergence of telecommunications and information technology—covering data communications, network protocols, transmission technologies, telephony systems, and the infrastructure enabling electronic information exchange. This included both copper and early fibre-optic technologies, signalling systems, and the emerging digital telecommunications landscape of the late 1990s.

The combined programme provided a solid technical foundation bridging hardware electronics with communications technology—skills directly applicable to the rapidly evolving ICT sector and serving as an ideal preparation for subsequent higher education in Computer Science.

Certifications

Pegasystems Certifications (2014 – 2015)

DCO Architect (CDA)

Certified DCO Architect | January 2014 | Pega 6.1

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Specialized in Pega's Directly Capture Objectives (DCO) methodology—a collaborative discipline enabling business and IT alignment throughout the application lifecycle. Expertise in facilitating DCO sessions that directly capture business requirements into Pega Platform, eliminating translation errors and accelerating delivery. Proficient in leveraging visual tools within App Studio to model case lifecycles, workflows, and user interfaces in real-time with stakeholders. Skilled at orchestrating cross-functional teams through the Discover, Prepare, Build, and Adopt phases of Pega Express delivery.

Methodology Black Belt (CMBB)

Certified Methodology Black Belt | January 2014

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Advanced certification validating deep expertise in Pegasystems' implementation methodologies, including Pega Express and SmartBPM. Proficient in the Project Methodology Framework (PMF) and Test Management Framework (TMF). Skilled at guiding project teams through agile, iterative delivery models while ensuring adherence to the Ten Guardrails to Success. Expertise in defining project scope, managing backlogs, and facilitating stakeholder alignment between business and technical resources throughout the implementation lifecycle.

Customer Service System Architect (CCSA)

Certified Customer Service System Architect | January 2014 | Pega 6.1

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Specialized certification for implementing Pega Customer Service solutions on top of the core Pega Platform. Expertise in designing and building omni-channel contact center applications, case management workflows, and customer service desktop configurations. Proficient in leveraging Pega's out-of-the-box Customer Service framework to create unified agent experiences, optimize service interactions, and enable intelligent routing and work distribution.

CPM Architect (CCA)

Certified CPM Architect | January 2014

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Certification for System Architects focused on deploying Pega's Customer Process Manager contact center solutions. Expertise in configuring and extending the CPM framework for enterprise contact center environments, including workforce intelligence, interaction management, and service-level optimization. Skilled at implementing customer-centric process flows that bridge front-office service delivery with back-office case resolution.

System Architect (CSA)

Certified Pega System Architect | February 2014 | Pega 6.2

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Foundation-level certification validating core competency in Pega application development using the Pega Platform's low-code, model-driven environment. Proficient in case lifecycle management, data modeling, process automation, and user interface design using App Studio and Dev Studio. Skilled in configuring rules, building integrations, and applying Pega's guardrails for maintainable application architecture. Expertise spans the Pega Infinity platform including Constellation UI, cloud deployment models, and GenAI-powered development tools.

Senior System Architect (CSSA)

Certified Pega Senior System Architect | April 2014 | Pega 6.2

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Advanced technical certification building upon CSA foundations with expertise in scalable, enterprise-grade application design. Specialized in advanced rule development, reusable component architecture, system integration patterns, and performance optimization. Proficient in mentoring development teams, leading technical design sessions, and ensuring applications comply with Pega best practices. Skilled at implementing complex case hierarchies, sophisticated data structures, and enterprise-level security configurations.

Marketing Consultant (CPMC)

Certified Pega Marketing Consultant | January 2015 | Pega 6.2

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Specialized certification for professionals implementing Pega Marketing solutions within the Customer Decision Hub ecosystem. Expertise in designing and executing marketing campaigns, customer segmentation strategies, and treatment configurations across inbound and outbound channels. Proficient in leveraging Pega's marketing framework to balance customer needs with business objectives through targeted offers and personalized communications.

Next-Best-Action Consultant (CNC)

Certified Next-Best-Action / Decisioning Consultant | January 2015

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Expert certification in Pega Customer Decision Hub (CDH) for designing AI-powered, real-time decisioning strategies. Proficient in configuring Next-Best-Action frameworks, predictive analytics models, and adaptive learning strategies that deliver personalized customer experiences across omni-channel touchpoints. Skilled at implementing decision strategies using the Next-Best-Action Designer, simulating outcomes with Visual Business Director, and integrating decisioning capabilities with CRM and marketing platforms. Expertise in balancing customer empathy with business value optimization.

TIBCO Software Training & Certifications (2005 – 2011)

Enterprise Architecture

TIBCO Enterprise Architecture Fundamentals | 2011

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Comprehensive training in architecting enterprise-scale solutions using the TIBCO product suite. Expertise in applying reference architectures and design patterns to solve common SOA and system integration challenges. Proficient in understanding the architectural roles of TIBCO EMS (Enterprise Message Service), ActiveMatrix, ActiveMatrix BPM, and BusinessEvents within enterprise environments. Skilled at bridging business process requirements with technical implementation perspectives, constructing solution architectures from proven reference patterns, and ensuring alignment between IT infrastructure and organizational objectives. Knowledge encompasses SCA (Service Component Architecture) notation, policies, mediations, and the strategic selection of TIBCO components for specific enterprise integration scenarios.

Architecture Essentials of Distributed Systems

TIBCO Distributed Systems Architecture | 2011

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Deep expertise in the fundamental principles and patterns for designing distributed, service-oriented applications. Proficient in addressing the architectural challenges inherent to distributed computing, including fault tolerance, load balancing, message delivery guarantees, and transactional integrity across distributed components. Understanding of communication patterns (request-reply, fire-and-forget, publish-subscribe), operation semantics, and binding configurations. Skilled at designing scalable, reliable distributed architectures that account for network latency, partial failures, and data consistency requirements across heterogeneous enterprise environments.

Architecting a TIBCO® SOA

TIBCO Service-Oriented Architecture Design | 2009

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Specialized training in designing and implementing Service-Oriented Architecture solutions using the TIBCO technology stack. Expertise in leveraging TIBCO ActiveMatrix Service Grid and Service Bus as the core foundation for enterprise SOA implementations. Proficient in service interface design, service composition, orchestration patterns, and governance frameworks. Skilled at applying SOA principles to create loosely-coupled, reusable services that enable business agility, reduce integration complexity, and facilitate enterprise-wide interoperability. Knowledge includes WSDL design, SOAP/REST service patterns, JMS messaging integration, and ESB (Enterprise Service Bus) implementation strategies.

BPM Academy

TIBCO Business Process Management | 2008

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Comprehensive certification in TIBCO ActiveMatrix BPM—a unified platform for automating business processes, managing workforce task distribution, and delivering actionable insight into process performance. Proficient in process modeling using BPMN 2.0, developing business process applications in TIBCO Business Studio, and deploying to the ActiveMatrix BPM runtime environment. Expertise in organization modeling, user task design, form development, and process-as-a-service (PAAS) implementation. Skilled at enabling business experts to collaborate with IT through iterative development approaches, separating process logic from workforce management to optimize resource utilization, and implementing event-driven process automation for digital business transformation.

Advanced TIBCO AMX BusinessWorks

TIBCO ActiveMatrix BusinessWorks Advanced Development | 2005

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Advanced certification in TIBCO ActiveMatrix BusinessWorks—the enterprise integration platform providing model-driven development for connecting applications, data sources, APIs, and services. Expertise beyond foundational concepts encompassing advanced integration patterns, complex data transformations, sophisticated error handling, and enterprise-scale deployment configurations. Proficient in designing fault-tolerant, highly-available integration solutions using clustering, load balancing, and failover mechanisms. Skilled in implementing SOAP and RESTful web services, JMS messaging with TIBCO EMS, database adapters, and custom Java extensions. Knowledge includes advanced debugging techniques, performance optimization, deployment automation using Docker/Kubernetes, and integration with cloud environments. Experienced in building complex orchestration flows, implementing security patterns, and ensuring compliance with enterprise architecture standards.

Other Certifications

PRINCE2 Foundation & Practitioner

PRojects IN Controlled Environments | December 2010

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Dual-level certification in PRINCE2—the globally recognized, process-based project management methodology originally developed by the UK Government's Central Computer and Telecommunications Agency (CCTA), later the Office of Government Commerce (OGC), and now maintained by AXELOS. PRINCE2 provides a structured, scalable framework for managing projects of any size, complexity, or industry sector within controlled environments.

Foundation Level validates comprehensive understanding of the PRINCE2 methodology, including mastery of its core framework: the 7 Principles (continued business justification, learn from experience, defined roles and responsibilities, manage by stages, manage by exception, focus on products, and tailor to suit the project environment), the 7 Themes (business case, organization, quality, plans, risk, change, and progress), and the 7 Processes (starting up a project, directing a project, initiating a project, controlling a stage, managing product delivery, managing stage boundaries, and closing a project). Proficient in understanding the inputs, outputs, and management products across the project lifecycle.

Practitioner Level demonstrates the ability to apply and tailor PRINCE2 methodology to real-world project scenarios. Expertise in adapting the framework to suit specific project environments while maintaining the integrity of its principles. Skilled at implementing stage-gate controls, managing by exception through defined tolerances, maintaining continuous business justification, and ensuring product-focused delivery. Proficient in establishing appropriate governance structures, defining clear accountability through the project board, and managing risk and change within controlled parameters. Capable of integrating lessons learned throughout the project lifecycle and ensuring alignment between project objectives and organizational strategy.

WebSphere Business Integration Message Broker

IBM Certified Solution Developer | 2005

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Certification in IBM's enterprise integration platform—the middleware solution that evolved through MQSeries Integrator (MQSI), WebSphere MQ Integrator, WebSphere Business Integration Message Broker (WBIMB), WebSphere Message Broker (WMB), IBM Integration Bus (IIB), and is now known as IBM App Connect Enterprise (ACE). This technology serves as an Enterprise Service Bus (ESB) enabling business information to flow seamlessly between disparate applications across multiple hardware and software platforms.

Expertise in utilizing the connectivity, transformation, and mediation capabilities of the Message Broker platform. Proficient in analyzing, designing, and deploying message models using the Message Broker Toolkit (Eclipse-based IDE). Skilled at developing, testing, debugging, and deploying message flows using ESQL (Extended SQL), Java, graphical mapping tools, and pattern-based development features. Experienced in implementing message routing, filtering, transformation, enrichment, aggregation, and distribution across enterprise systems.

Capabilities include integrating existing applications, web services, databases, and business process management systems to build advanced ESB solutions. Proficient in working with both XML and non-XML data formats, SOAP/REST web services, JMS messaging via WebSphere MQ/IBM MQ, and various transport protocols (HTTP, FTP, TCP/IP, file-based). Understanding of scalability patterns, high availability configurations, message security, logging and auditing, and the deployment of adapters within the integration environment. Skilled at enabling non-SOA applications to participate as services within Service-Oriented Architecture initiatives, providing universal data transformation and connectivity across the enterprise.

Courses

Model Context Protocol for Leaders In Progress

Vanderbilt University | 2026

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Executive-level course designed for leaders and AI strategists to leverage the Model Context Protocol (MCP) for strategic advantage in the rapidly evolving AI landscape. This programme focuses on how MCP revolutionizes AI by providing dynamic, context-aware decision-making frameworks that enable AI agents to autonomously discover, select, and use business tools to solve complex problems.

Core learning outcomes include understanding the MCP architecture and how it acts as a "universal translator" between AI intelligence and computer systems. Exploration of how MCP bridges the gap between AI's reasoning capabilities and actionable execution, allowing agents to intelligently sequence tools—such as email senders, CRM updaters, and database queries—to automate sophisticated workflows.

Practical application covers building and managing AI-driven teams aligned with MCP principles, implementing multi-modal intelligence, and establishing governance for strategic decision-making. The curriculum includes case studies on business applications and leadership strategies for integrating MCP into broader AI roadmaps, ensuring responsible and effective AI enablement across the enterprise.

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RAG and Agentic AI: Build Next-Gen AI Systems In Progress

IBM RAG and Agentic AI Professional Certificate | 2025

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Advanced professional certification programme in next-generation artificial intelligence, focusing on Retrieval-Augmented Generation (RAG) and autonomous agentic AI systems. This comprehensive programme equips practitioners with cutting-edge techniques for building sophisticated, context-aware AI applications that combine the reasoning capabilities of Large Language Models (LLMs) with real-time access to external knowledge bases.

Core competencies include developing efficient RAG pipelines that ground AI responses in real-world knowledge sources—reducing hallucinations and improving accuracy. Expertise in vector databases (FAISS, Chroma DB) for document embeddings, advanced retrieval techniques, and semantic search implementations. Proficiency in building multimodal AI systems capable of processing and integrating text, image, and audio inputs for richer, more interactive experiences.

Mastery of agentic AI architectures including self-improving agents using Reflection, Reflexion, and ReAct patterns—enabling AI systems to reason about outputs and iteratively refine responses. Skills in designing autonomous multi-agent systems that coordinate tasks, retrieve relevant data, and solve complex problems through collaboration. Hands-on experience with LangChain and LangGraph for orchestrating stateful workflows with memory, iteration, and conditional logic, as well as frameworks including CrewAI, AG2, and BeeAI.

Practical implementation expertise encompassing tool and API integration with AI agents, prompt engineering, in-context learning, and building production-ready generative AI applications using Python, Flask, Gradio, Hugging Face, PyTorch, and IBM watsonx. Capstone project demonstrating end-to-end AI application development combining retrieval-augmented, multimodal, and agentic techniques for real-world problem-solving.

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Generative AI for Growth Marketing In Progress

IBM & Starweaver Specialization Certificate | 2025

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Professional certification in AI-powered marketing strategies, developed in partnership between IBM and Starweaver. This specialisation equips marketers, entrepreneurs, and business professionals with practical skills to leverage generative AI tools for data-driven growth marketing initiatives.

Foundational understanding of generative AI and Large Language Models (LLMs), including their evolution and capabilities across text, image, audio, video, and code generation. Comprehensive exploration of AI applications in marketing contexts—from content creation and customer engagement to campaign automation and performance optimisation.

Expertise in prompt engineering techniques for directing generative AI models effectively, including zero-shot and few-shot prompting, Interview Pattern, Chain-of-Thought, and Tree-of-Thought methods for producing accurate, context-aware outputs. Hands-on proficiency with industry-leading AI tools including ChatGPT, GPT models, DALL·E for visual asset creation, IBM watsonx, Microsoft Copilot, and Google Gemini.

Practical skills in developing AI-enhanced marketing strategies tailored to customer behaviour and business objectives. Competencies include AI-powered customer segmentation, personalised content generation, marketing automation workflows, and real-time campaign optimisation using AI-driven data insights and dashboards. Capstone project delivering a complete AI-powered marketing campaign with assets and performance tracking dashboards ready for professional portfolio presentation.

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Agentic AI and AI Agents: A Primer for Leaders

Vanderbilt University | 2025

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Executive-level course introducing the transformative potential of Agentic AI—artificial intelligence systems that don't just analyse data but autonomously act on it. Developed by Dr. Jules White at Vanderbilt University, this programme demystifies how intelligent AI agents are reshaping task execution, decision-making, and value creation across industries.

Core learning outcomes include understanding the fundamentals of Agentic AI and AI agents, enabling informed strategic decision-making. Exploration of the Flipped Interaction Pattern for human-agent collaboration, action planning methodologies, and equipping agents with external tools and knowledge bases. Coverage of in-context learning, multimodal interaction capabilities, and Retrieval Augmented Generation (RAG) techniques.

Practical skills development in building custom GPTs using OpenAI tools, including writing effective custom instructions, implementing knowledge retrieval systems, and combining features to create intelligent, goal-oriented AI agents. Emphasis on differentiating genuine AI innovation from overhyped approaches, recognising opportunities for meaningful impact, and designing AI agents that deliver tangible business value.

Part of the broader "Agentic AI and AI Agents for Leaders" Specialization, preparing business, technology, and leadership professionals to drive innovation and strategic decision-making through autonomous AI capabilities.

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Developing Innovative Ideas for New Companies

University of Maryland | 2013

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Foundational entrepreneurship course from the University of Maryland's Robert H. Smith School of Business and Maryland Technology Enterprise Institute (Mtech), delivered by Dr. James V. Green. This programme assists aspiring and active entrepreneurs in developing great ideas into viable companies using proven content, methods, and models for new venture opportunity assessment and analysis.

Core competencies developed include identifying and analysing entrepreneurial opportunities, enhancing the entrepreneurial mindset, improving strategic decision-making, and building innovative business models. The curriculum demystifies the startup process through examination of market conditions, industry factors, and competitive dynamics that indicate viable venture opportunities.

Structured learning modules cover the fundamentals of innovation and entrepreneurship, entrepreneurial mindset development, motivations and behaviours of successful founders, opportunity recognition frameworks, and systematic approaches to evaluating new venture potential. Emphasis on practical application through case studies, real-world examples, and analytical tools for assessing customer needs, market positioning, and competitive advantage.

Part of the "Entrepreneurship: Launching an Innovative Business" Specialization, providing a sampling of the ideas and techniques explored in the University of Maryland's Master's degree in Technology Entrepreneurship programme.

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Languages

Dutch
C2 – Native
English
C2 – Advanced
German
B2 – Upper Intermediate

Interests

Home Automation Blockchain AI Development Travel Skiing Hiking Squash