About us

Dennis Stolk, Managing Partner

Dennis is managing partner. He has 20 years experience in innovative markets at, amongst others, UPC, Rabobank, CanalDigital, and VodafoneZiggo. Dennis is an expert at operationalising strategies. He is familiar with the challenges faced by organisations that strive to improve their digital transformation, marketing automation, and customer experience. Dennis lives in Rotterdam with his family.


Robert Feltzer, Expert

Robert is a popular speaker and advisor. He is an expert at the application of customer data. In his consultancy days, he guided many organisations in their ambitions to make more use of data in their commercial activities, specifically data driven marketing. He applies this knowledge to The Data Agency's services

Michiel van Gaalen, Expert

Michiel is an expert in helping companies develop and translate their commercial strategy to marketing channels. He is experienced in implementing marketing technology projects. Furthermore, he is - as senior executive and entrepreneur - extremely result-driven. He is capable of ensuring investments remain profitable in the operations of our clients.

Roelant Stegmann, Expert

Roelant is a data scientist whose expertise is creating models, predictions and evaluations. Real-world examples are geographical analysis, next-best-action models for (online) retailers, and product and purchase analysis. He has experience with diverse assignments in various departments of businesses.

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