Cumul.io
- Karel Callens
Karel Callens is the CEO and founder of Cumul.io, and is based in Leuven, Belgium. He has worked in the field of big data and analytics for over 10 + years and has an education from Katholieke Universiteit Leuven.
Org chart
Sign up to view 6 direct reports
Get started
Offices
This person is not in any offices