Our staff and key experts

Chris Bartels

 Chris Bartels is a veterinary epidemiologist working on strengthening of veterinary services and developing risk-based monitoring and surveillance programs for animal diseases in cattle, sheep and goats, pigs and poultry. He is also OIE and FAO expert for applying the concept of Progressive Control Pathway (PCP) for FMD control in various countries and regions through his work with EUFMD, and has intensely worked on brucellosis and tuberculosis control. 

Chris has worked as veterinary practitioner in The Netherlands on herd health management for dairy herds and pig farms, as project manager at the former NAHVRI in Phnom Penh, Cambodia and establishing Basic Animal Health Services (Community Animal Health Workers) in 2 North Western provinces in Cambodia, as tutor in Veterinary Epidemiology and Herd Health Management (MSc) at the Veterinary Faculty of the Utrecht University in The Netherlands, as ruminant-health specialist and veterinary epidemiologist with the Animal Health Service (AHS), Deventer, The Netherlands. With VetEffecT he worked in Surinam on disease control, and in Turkey on tuberculosis and brucellosis eradication strategies. For more information contact info@veteffect.nl or to contact Chris Bartels directly, please visit www.chrisbartels.eu
VetEffecT - Chris Bartels

Constantine Stamatopoulos

Constantine Stamatopoulos is an international expert in fisheries statistics and stock assessment. He is of Greek nationality with an MSc and PhD in Mathematics and post-graduate studies in Statistics, Numerical Analysis and Computer Sciences. In 1969 he was the winner of the 2nd prize of PHILIPS competition for young scientists with a thesis on computer-aided euristic techniques. In 1971 he joined the Food and Agriculture Organization of the United Nations (FAO) where he worked mainly on field projects relating to fisheries statistical monitoring and resource assessment. He has worked in over 50 countries and produced over 100 publications and technical papers in the domain of fisheries statistics and stock assessment. Since 2005 he is self-employed as an international consultant and works  with VetEffecT on  fishery statistics. He is married and lives permanently in Rome, Italy.
VetEffecT - Constantine Stamatopoulos

David Dewar

David Dewar has a long career in international consultancy, and is particularly skilled in project preparation and project management. David has university degrees in Agriculture and Tropical Animal Production & Health, and is a qualified project manager, which ensures that we provide structured project management planning and support to our clients. David has in depth knowledge of EU animal health policy and sanitary, phytosanitary and food safety issues; and is fully conversant with Project Cycle Management and the Logical Framework Approach.
VetEffecT - David Dewar

Gerrit-Jan Wennink

Gerrit-Jan Wennink is a veterinarian and international expert in laboratory animal welfare according to international regulations. As an example, he can set up and implement a fully EU compliant animal welfare monitoring program with all necessary procedures for pharmaceutical companies or universities. He can also design the required regulatory framework including inspection, auditing and training programs for competent authorities and government institutions in EU countries, to allow them to meet EU regulations. Other fields of expertise are quality management (GLP, AAALAC, ISO) and (microbiological) health monitoring of laboratory animals. Gerrit-Jan worked many years for MSD (previously Organon) in the Netherlands, where he managed animal facilities and was responsible for the health and welfare of the experimental animals and design and implementation of the overall quality management program. He is very communicative and a team player. After carefully listening to the clients, his aim is to come up with practical and creative solutions.

VetEffecT - Gerrit-Jan Wennink

Grigor Grigoryan

Grigor Grigoryan is a veterinarian and an international expert on veterinary protection and governance. He also is an OIE accredited expert on performance of veterinary services and a WVA expert on prevention and control of zoonotic diseases. At the national level he occupied various positions ranging from private veterinary professional to head of the State Food Safety Service of Armenia. Grigor is specialized on veterinary public health and participated in numerous international projects aimed at establishing and/or maintaining an appropriate level of veterinary-sanitary protection in countries of Europe, Asia, South America and the Caribbean.  Being committed to the “One Health” concept he promotes principles of veterinary-sanitary protection based on addressing health threats at the human-animal-ecosystem interface.


VetEffecT - Grigor Grigoryan

Jacqueline Kooij

Jacqueline Kooij provides office support. She assures that office logistics are well secured, and arranges the travel for the associated experts in the international project assignments.

VetEffecT - Jacqueline Kooij

Jan Goudswaard

Jan Goudswaard is a diplomed veterinary microbiologist as well as medical and veterinary immunologist and laboratory expert. He has a long career in the Animal Health Service, and is particularly skilled in the management (as former director) of veterinary and human public health laboratories. He is experienced auditor of laboratories and expert in laboratory quality management. He has participated as laboratory expert in Lithuania, Suriname and Bulgaria,  and, was key laboratory expert in a large project in Armenia.
VetEffecT - Jan Goudswaard

John Bonnier

John Bonnier is animal husbandry expert. He has a long career in international development,  with key expertise in livestock development, breeding and dairy production. He has recently supported the Afghanistan government in implementation of livestock improvement projects.
VetEffecT - John Bonnier

Leonor Galhardo

Leonor Galhardo has more than 22 years of professional experience in welfare of animals in captivity, including in aquaculture. She is currently conducting animal welfare research at the Instituto Superior de Psicologia Aplicada (ISPA) in Oeiras, Portugal. Leonor is a well respected animal welfare expert, especially for animals in Zoos. Se has been deeply involved in working in the context of the Zoo Directive and implementation of Zoo legislation, and is author of various publications on the matter. She has excellent writing skills, and has a broad network across Europa on welfare of animals in captivity.

VetEffecT - Leonor Galhardo

Paul van Olm

Paul van Olm is organiser and guide for international delegations for study tours, study visits and trainings in the Netherlands. These are usually complex activities due to visa arrangements, language problems and logistic and other travel issues. Paul van Olm has organised many study visits, for Egyptians, Bulgarians, Romanians and delegations from other countries, knows exactly those practical details that turn a study visit into a success, and is the ideal host.
VetEffecT - Paul van Olm