Introducing GVG

GVG Diagnostics GmbH is a pillar of quality, innovation and trust. In order to guarantee these principles, veterinarians, biochemists and biotechnologists work side by side under ideal conditions and to the highest standards for your individual needs and concerns. Our team of veterinary experts will be happy to answer your questions and give you professional advice at any time.


Dr Olaf Gelsen - CEO

Portrait Dr. Olaf Gelsen, Geschäftsführer GVG Diagnostics GmbH

After studying physics at the University of Würzburg, from 1989 until 1993 Olaf Gelsen took a PhD at the University of Cambridge in the UK. He was also awarded an MBA in 1999 following a continuation course at the University of Bradford’s Department of Business Administration.

Subsequently working for various industrial companies from start-ups to large corporations, Olaf Gelsen acquired extensive expertise in the development and operation of all kinds of laboratories and the organization and management of R&D projects as well as general business experience in Europe, the US and Asia.

From 2004 until 2012, Olaf Gelsen was CEO of Sensient Imaging Technologies GmbH in Wolfen (Germany), a global technology company in the imaging industry with sixty employees.

He has been the CEO of GVG Diagnostics GmbH in Leipzig ever since it was set up in May 2012.
A keen marathon runner and rower, in his spare time Olaf Gelsen is a volunteer working to preserve Leipzig’s extensive floodplain woodlands.

Chairman of the Scientific Board

Prof Dr Dr Thomas W. Vahlenkamp

After studying veterinary medicine at Ludwig Maximilian University in Munich, Thomas Vahlenkamp spent more than five years in the Department of Infectious Diseases and Immunology at the Faculty of Veterinary Medicine of the University of Utrecht (Netherlands).

After achieving a doctorate in veterinary medicine in Munich in 1993 and then a PhD at Utrecht in 1997, Thomas Vahlenkamp was an assistant professor in Leipzig at the Faculty of Veterinary Medicine’s Institute of Virology. He then spent three years at the College of Veterinary Medicine at North Carolina State University, Raleigh (USA).

From 2004 until 2009, Thomas Vahlenkamp was the laboratory director at the Institute for Molecular Biology of the Friedrich Loeffler Institute (FLI). In 2009 he was appointed director of FLI’s Institute of Infectious Diseases on the Isle of Riems.

Since October 2010, Thomas Vahlenkamp has been a professor of virology at the University of Leipzig and director of the Institute of Virology at the Faculty of Veterinary Medicine. As a veterinary specialist in virology, immunology as well as for bacteriology and mycology, he is on the editorial board of several international journals such as Virus Genes, Veterinary Immunology and Immunopathology, and Tierärztliche Praxis.