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Our Management Team

David Tessmann-Keys


David Tessmann-Keys has an extensive background in organizational development consulting, spanning Australia, Asia, Europe, and the U.S. David is responsible for developing and executing DDI’s global business strategy, including sales, marketing, business development, consulting, and financial performance. Previously, David served as DDI’s executive vice president, leading the company’s 30 offices across Europe, Asia, and Australia and managing DDI’s affiliate relationships in sub-Saharan Africa and the Middle East.

David has managed large-scale projects focusing on such areas as full organizational reengineering, succession management, selection, and leadership/workforce development.

Thought Leadership

  • Presents at conferences throughout both the APAC and EMEA regions on various Talent Management topics.
  • Provides executive coaching services to select executives in various countries across the world.

Career Highlights

  • Previously the Managing Director, DDI Australia and National Business Development Manager, DDI
  • Psychologist, Queensland Corrective Services Commission
  • Consulting Psychologist, Queensland Health Department
  • Consulting Psychologist, Queensland Juvenile Justice Department

Education and Credentials

  • Bachelor of Behavioural Science, Griffith University
  • Graduate Diploma in Applied Psychology (Organisational Psychology, Social Consultancy, Counseling Psychology), Griffith University
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