Grischa Rehmer

Grischa Rehmer is Head of Development at the consultancy GMC². The experts for business intelligence and data analytics assist companies on their way to intelligent decisions.


Grischa Rehmer is responsible for a large number of BI and Data Analytics projects for concerns and medium-sized companies. Based on the IBM Planning Analytics platform – also known as TM1 – he develops customized solutions for controlling, analysis, forecasting, planning, reporting and dashboarding. As a graduate computer scientist, Grischa Rehmer develops complex reporting and dashboard solutions based on the SUCCESS methods of IBCS® with the help of IBM Planning Analytics TM1, Microsoft and the custom developed GMC² ReportController.

IBCS® Certified Consultant

Grischa Rehmer has successfully completed the IBCS® certification for successful design of reports and presentations at the HICHERT+FAISST IBCS Institute in September 2014.