Gregor Wojtowicz

Master of Science in Business Psychology; Diplom‑Wirtschaftsmathematiker with studies in Hamburg and Cologne. Certified Personal & Business Coach. Previously worked as a management consultant at an international strategy consultancy with a focus on marketing and pricing. Since 2015 self-employed as a personal & business coach and psychological advisor. Member of the German Coaching Association (DFC).

Photo by Gregor Wojtowicz

Professional Career

Since 2021

CORNELIA TANZER – ASSESSMENT DEVELOPMENT TOOLS, Cologne
Senior Consultant

2018 - 2021

CORNELIA TANZER – ASSESSMENT DEVELOPMENT TOOLS, Cologne
Consultant

Seit 2015

Personal & Business Coach / Psychological Advisor

 

2012 – 2014

Simon-Kucher & Partners Strategy & Marketing Consultants GmbH, Cologne
Management Consultant

 

2010 – 2011

Institute of Mathematics, University of Cologne
Tutor

 

Project Experience

  • Designing and conducting individual assessments to support staffing decisions and assess leadership potential at executive and divisional management level
  • Developing exercise components for development centres
  • Designing and implementing management audits and structured interviews
  • Coaching on topics such as personality development, self-perception, communication, and professional presence
  • Designing and moderating workshops and trainings (e.g. sales training)
  • Designing questionnaires for customer perception of products and services
  • Conducting qualitative and quantitative data analyses (e.g. questionnaire evaluations, customer segmentation, product portfolios, transactional data)

Academic Education / Further Education

  • Diploma in Business Mathematics, University of Cologne – Focus: Optimisation, Game Theory, Financial Mathematics
  • Master of Science in Business Psychology, Europäische Fernhochschule Hamburg – Focus: Change Management, Leadership Psychology, Marketing & Advertising Psychology
  • Certified Personal & Business Coach

© 2026. CORNELIA TANZER | Privacy Policy | Imprint | Cookie settings

Diagnostic Procedures
Diagnostic Qualification
Coaching
Training
Moderation
AC Tools
Questionnaires/tests
HR Tools
You are using an outdated browser. The website may not be displayed correctly.