Dr. Sebastian Schönhaar

Employment History

Dr. Sebastian Schönhaar began his career at The Boston Consulting Group (BCG), where he worked as a management consultant for over six years.  He then moved to ProSiebenSat.1 Media SE, where he held various management positions until March 2020, most recently as Senior Vice President Strategy, Innovation & Consumer Insights.

Main Focuses

Dr. Schönhaar thus has extensive professional experience both as a management consultant and in the industry.  His core functional expertise lies in the following fields: strategic management, business building, leadership & organization incl. organizational development, customer insights, operational excellence, innovation, and management of large-scale corporate programs.

Educational & Academic Background

Dr. Schönhaar studied Industrial Engineering and Management at the University of Karlsruhe (TH), now Karlsruhe Institute of Technology (KIT), and at the University of California, Santa Barbara (UCSB).  For his doctoral dissertation at the TU Bergakademie Freiberg, Dr. Schönhaar empirically analyzed the process characteristics and success factors in the transformation of business portfolios.  Moreover, he has written various publications and given presentations on this topic at academic conferences.

Core Functional Expertise

March 2021

‘Best Management Consultants 2021’: T. K. Hamann among the top 3 consultancies for sales, after sales, and CRM

The 2021 ranking ‘Beste Unternehmensberater [Best Management Consultants]’ by the German business magazine brand eins and the business data portal Statista has just been published.


T. K. Hamann takes a top position in this with a shared second place in the field of ‘Sales, After Sales, CRM’.  In addition, we are honored for the sector ‘Auto & Suppliers’ and the functional area ‘Strategy Development’.


We are grateful to all our clients, the entire team, and business partners who have worked with us since our founding in late 2016.  Together, we will continue to consequently pursue quality leadership in our disciplines.

For this year’s ranking, 2,334 colleagues determined the best management consultancies according to their perception by industry and functional practice area.  Subsequently, assessments were obtained from the clients.  For this purpose, 1,100 senior executives were provided with a list of the recommended consultancies for each industry and work area clients via online survey; another 234 senior executives (Head of Strategy, Head of Business Development, etc.) from DAX, M-DAX, S-DAX and Tec-DAX companies were specifically invited to participate in the survey.