Who we are


PERSEUS bvba is a partnership of biosafety and regulatory experts from diverse fields of application.

Depending on the needs and expectations of the individual customer, we can provide the necessary expertise in biosafety, risk assessment, food policy, issue management, communication, etc.


Patrick Rüdelsheim

General Partner

Dr. Rüdelsheim obtained his PhD in biology at the University of Antwerp, Belgium.

In 1990, he joined Plant Genetic Systems N.V., Belgium where, after being in charge of Product Development and Registration, he was appointed Director Regulatory Affairs and Member of the PGS Board.

During subsequent mergers and acquisitions, he became Global Head Regulatory Affairs BioScience within respectively the AgrEvo group, Aventis CropScience and Bayer CropScience.

In 2003, he founded and became General Partner of Perseus BVBA.


Greet Smets

Biosafety and Regulatory Specialist

Dr.Ir. Smets obtained her PhD in agronomy at KU Leuven, Belgium.

She has been working in plant biotech research at Advanta Seeds B.V. (former D.J. van der Have B.V.) for 15 years, where -in addition to her research projects- she was in charge of biosafety management for the biotechnology department.

In 2003 she became responsible for Regulatory Affairs at CropDesign NV, Gent, a leading plant biotechnology company.

Dr.Ir. Smets joined Perseus BVBA in 2005 as Biosafety and Regulatory Specialist.


Karen van der MeulenK van der Meulen

Biosafety and Regulatory Specialist

Dr. DVM van der Meulen obtained her PhD in veterinary sciences at Ghent University, Belgium.

Working for over 15 years in veterinary research, she has gained a broad experience in the biomedical field as a scientist at Ghent University and as animal facility manager / project manager for the development of human therapeutics at Devgen, Ghent.

Throughout her career, she has been closely involved in the biosafety management of research laboratories and, in particular, of animal facilities up to containment level 3. As such, she gained a strong expertise in animal facility design, animal biosafety and regulation related to animal health and welfare, genetically modified animals, animal-associated pathogens, endangered species, development of human and veterinary medicines, and treatment of animal by-products and manure. She is an active member of the Belgian Biosafety Professionals (BBP) and of the International Veterinary Biosafety Workgroup (IVBW).

Dr. van der Meulen joins Perseus BVBA in Januari 2015 as Senior Biosafety and Regulatory Specialist. Given her vast experience, she is the lead for projects managing biosafety in (high) containment animal facilities.

Walter Kempenaers

Perseus Associate

Dr Kempenaers obtained his PhD in biology in the Molecular Biology Lab. of Prof. Fiers at Ghent University, Belgium.

He also holds a Master in Industrial Management degree from the KU Leuven, Belgium. After starting as a scientific collaborator in applied microbiology at S.A. CITRIQUE BELGE N.V., he was appointed Microbiological Development Manager in the department “Quality and Development” and subsequently in the Production/Fermentation department.

Since January 2005, he is the Biosafety Officer of the Vrije Universiteit Brussel.

Dr. Kempenaers joined as a Perseus Associate in July 2006. He is a first class resource for any aspect of contained use of micro-organisms, from laboratory to industrial scale production. His real-life experience guarantees practical solutions for complex regulatory requirements.