- Gartner client? Log in for personalized search results.
Gartner Expert
Jeroen Cornelissen
Sr Director Analyst
Jeroen Cornelissen is a Research Analyst in Gartner's Data and Analytics group with a primary focus on Analytics and Artificial Intelligence. Mr. Cornelissen advises Data & Analytics and AI leaders on defining and optimizing their strategies through the latest best practices and technologies. Jeroen supports leaders with building Analytics and AI Portfolios, organizational design, operating model development, the Analytics capability design, generative and agentic AI, Decision Intelligence, AI-ready data, AI governance, and Literacy. Mr. Cornelissen joined Gartner in April 2019 and became part of Business and Technologies in July 2025.
Previous experience
Prior to joining Gartner Business and Technology Insights, Mr. Cornelissen was a director with Gartner Consulting and led the Data, Analytics, and AI practice in continental Europe. Mr. Cornelissen worked 18 years in Strategy Consulting, focusing on Data, Analytics, and AI. He accumulated expertise across all major vertical industries through engagements spanning the entire management life cycle, from vision, strategy, organization, operating model, change management, and enterprise architecture to managing Data, Analytics, and AI programs, and setting up and managing the operational organization.
Professional background
Gartner, Director Consulting, Data & Analytics & AI Practice Lead continental Europe, 6 years
Sopra Steria, Manager - Data & Analytics, 4 years
DXC (previously: CSC), Senior Business Intelligence Consultant, 8 years
Areas of coverage
-
AI Strategy and Business Transformation
-
Data and Analytics Leadership and Programs
-
Analytics and Artificial Intelligence
-
Embed Data and Analytics in the Workflows and Culture of Communications
-
Leverage Data and Analytics to Transform and Report on Business Impact
Education
IT Economics and Management (Baylor University, Texas, U.S.A.)
Master in Knowledge Technology (University of Maastricht, The Netherlands)
Master in Computer Sciences (University of Hasselt, Belgium)
Top Issues That I Help Clients Address
Transforming D&A execution with agentic AI through use case prioritization and strategic adoption guidance for increased efficiency, accessibility and agility.
Maximizing business impact, stakeholder engagement and value from data and analytics through strategic data storytelling and compelling narratives.
Developing and executing AI and D&A strategies with value propositions that drive successful business outcomes.
Sustaining AI momentum by upskilling teams in AI and Data through targeted literacy programs, community building, and culture-change management.