Unternavigation im Bereich: The Company

The Team

Ruprecht Keller -
Founder and Scientific Director

Prof. Dr. Dr. Ruprecht Keller is the Founder and Scientific Director of Marker Test Diagnostics.
He is a renowned expert working in clinical and anatomical laboratories, has authored more than 60 publications and holds five patents.

Prof. Keller is the Director of the Central Laboratory for all municipal hospitals in Cologne, Germany. In that capacity, he has built an organization serving eight hospitals with over 4,000 beds.

He previously was a consultant to the German federal health insurance companies and produced a comprehensive report on German hospital laboratories. He has consulted with more than 150 laboratories worldwide.

Dr. Keller holds a Master of Science in Chemistry, Master of Clinical Pathology, a Doctor of Medicine (MD) and a PhD from the University of Aachen, Germany. He served as a research associate at Harvard Medical School and at the Pathology Department of Yale Medical School.

Donal Quinn -
Chairman of the Board

Donal Quinn is the Chairman of Marker Test Diagnostics. He has more than 30 years of health care sector experience and extensive knowledge of strategic development and operational leadership.

He previously served as the Chief Executive Officer at Siemens Healthcare Diagnostics Inc. and led that company’s operating business in over 70 countries with € 4 Billion in annual revenue. In that capacity, he oversaw 14, 000 employees at 10 major manufacturing and five research and development sites.

Donal Quinn holds a Bachelor of Science degree in Economics from Cork University in Ireland and is a Chartered Management Accountant.

Kim Christensen -
Chief Executive Officer

Kim Christensen is the Chief Executive Officer at Marker Test Diagnostics.

Over the past 30 years, he held various positions in the laboratory industry and most recently was the Director of the Syva Business Unit at Siemens Healthcare Diagnostics. In this capacity, Kim led the US sales business from a history of losses to one of the most profitable companies in diagnostics.
He managed a team of 40 account sales executives and regional sales managers and was responsible for directing all sales, marketing, and technical applications.

Kim holds a Bachelor of Science in Business Management and a Master of Arts in Organizational Management from the University of Phoenix.