International Program Committee

Dr. Machebe Ndubuisi Samuel, Ph.D.University of Nigeria, Nsukka

Machebe Ndubuisi Samuel is a PhD Animal Science from Nigeria. He is a Senior Lecturer with Department of Animal Science, University of Nigeria, Nsukka and a Consultant in general animal agriculture and practice. Dr. Machebe has passion for handling animal emergencies and participated in many animal emergency workshops and conferences in the USA and Japan. He featured as an International Panellist and talked about the current situation of Highly Pathogenic Avian Influenza outbreaks, spread, containment and management in Nigeria at the 5th International Symposium on Animal Mortality Management in Pennsylvania, USA. Dr Machebe has many research collaborator in the USA, Canada, Japan, India, China, etc. and has numerous research publications in peer-reviewed international scientific journals and conference proceedings. Machebe has good skill and expertise in advanced animal reproductive biotechnology (animal cloning, in-vitro fertilization, embryo production, etc.) and is a fellow of the Japan Society for Promotion of Science (JSPS). As a registered animal scientist (RAS), Dr Machebe belong to many professional bodies within and outside Nigeria and has contributed immensely in advancing teaching and research in University of Nigeria, Nsukka.


Dr. Prysor Williams, Bangor University, Wales, UK

Dr. Williams is a Senior Lecturer in Environmental Management at Bangor University. Much of his research is at the interface of academia, industry, and policy, and he is frequently asked to provide his expertise on various committees. He has published extensively in areas relating to the management of animal by-products, bacterial and viral zoonoses, and risk management.





Dr. Mohamed Naceur BaccarSub-Director of Training and Skills Development, National Center Of Zoosanitary Vigilance, Tunisia

Dr. Mohamed Naceur Baccar is veterinarian divisional inspector. He occupies the post of Sub-Director of Training and Skills Development at the National Center of Zoosanitary Vigilance of Tunisia. In this role, Mohamed Naceur organizes, conducts and evaluates training sessions for veterinarians on animals’ health, veterinary public health and legislation.

Mohamed Naceur is also the coordinator of the six regionals units of the National Center of Zoosanitary Vigilance. In this role, he ensures the running of units’ activities related to animal diseases surveillance, epidemiological surveys and regional training sessions.

Mohamed Naceur was at the origin of the diagnosis for the first time in Tunisia serotype 1 of blutongue in sheep in 2006 and for the diagnosis for the first time also the PPR in Tunisia in 2010. He also initiated the surveys on animal mobility in Tunisia.

Mohamed Naceur is interested in the management of animal mortality and has applied the aboveground burial of animals when a disease has been detected.

He is founding member and the general secretary of Tunisian Veterinary Technical Group.


Duncan WorsfoldSenior Officer – Emergency Preparedness, Department of Economic Development, Jobs, Transport & Resources, Victoria, Australia

Duncan Worsfold has been employed with the Victorian State Government Department responsible for Agriculture since 1995 and is gazetted as an Inspector of Livestock. In this time he has been involved in many animal biosecurity and welfare emergency responses including avian influenza, Newcastle Disease, Foot and Mouth Disease, anthrax, equine influenza, white spot disease and bushfire/flood recovery.

Duncan has managed many animal biosecurity preparedness projects including the introduction of foam depopulation and air curtain incineration technology to the Australian animal health authorities.

Duncan is the chair of the Australian 3D (Destruction, Disposal & Decontamination) Task Group and is an active member of the Animal Health Quadrilateral Meeting of the Emergency Management Task Group & Disposal, Destruction & Disinfection (QUADS 3D) Network.

Duncan is a big believer in the open and honest exchange of information (internationally), particularly in relation to ‘lessons learnt’ from responses and understands the interface between good science and the practical application of this in the field.


Dr. Eran RaizmanHead of Emergency Prevention System-Animal Health,  Food and Agriculture Organization of the United Nations, Italy

Dr. Raizman, native of Israel,  joined FAO as the head of Emergency Prevention System for Animal Health in 2013 after  working for 3 years as an independent consultant for animal health and production development projects funded by USAID, USDA and FAO in Africa, Central Asia and Latin America. Dr. Raizman graduated from the School of Veterinary Medicine at Universidad Austral de Chile, Valdivia, Chile in 1997. After working 3 years as small dairy holder clinician he specialized in dairy production at UC Davis where he also completed Master in Preventive Veterinary Medicine in 2001.  In 2001.  He joined University of Minnesota to pursue his PhD and worked as an instructor in veterinary epidemiology. Soon after completing his PhD in 2005, Dr. Raizman joined Purdue University as faculty member, researcher and teaching epidemiology at the school of veterinary medicine where he worked till 2010.


Dr. Van Dang Ky, Past Chief of Epidemiology Division, Department of Animal Health, Vietnam

Dr. Van Dang Ky graduated 1978 from Ha Noi University in Vietnam. He worked in the Department of Animal Health from 1978 to 2014. From 1978 to 2001, he worked as an epidemiologist. In 2002, he completed his doctorate study in Vietnam. His Ph.D. study was on the Epidemiology of Foot and Mouth Disease. From 2002 to 2014, he was the chief of Epidemiology Division Department of Animal Health, MARD, Vietnam. Currently, he is the National Technical Consultant of ECTAD Programme of FAO in Vietnam.

He spent most of his professional time on zoonotic diseases such as rabies, avian influenza, anthrax and many other major diseases in animals such as Foot and Mouth Disease, CSF and PRRS. He has developed many national programs to control animal diseases, wrote many guidelines about prevention and control of animal diseases and has a large number of publications, including scientific articles, books and manuals that have been used to support disease control in Vietnam.

As a chief of Epidemiology Division, he traveled frequently to the fields in Vietnam to lead the completion of prevention and control measures for animal diseases.


Gary FloryAgricultural & Stormwater Program Manager, Valley Regional Office of the Virginia Department of Environmental Quality

Gary Flory is the Agricultural & Stormwater Program Manager for the Valley Regional Office of the Virginia Department of Environmental Quality.  In this role, Gary provides leadership on numerous issues surrounding the nexus of agriculture, the environment and public health.  Gary also founded G.A. Flory Consulting, a global consulting firm, to help clients with a range of services including animal disease and natural disaster response, agricultural emergency planning, emergency response training and public speaking.  Gary was deployed to the Midwest on 5 separate occasions in support of USDA’s efforts to control Highly Pathogenic Avian Influenza outbreaks and was a lead author of USDA’s recently released Catastrophic Livestock Composting Protocol and Mortality Composting Protocol for Avian Influenza Infected Flocks.  He shares his expertise at conferences around the country and as far away as Malaysia and Azerbaijan.  Gary was recently awarded the Agency Star award by the Governor of Virginia for his community service and leadership on animal disease response and agroterrorism.

Gary is the chair of the Animal Health Quadrilateral Meeting of the Emergency Management Task Group & Disposal, Destruction & Disinfection (QUADS 3D) Network, co-chairs the USDA/APHIS Composting Technical Committee, and participates in a variety of other working groups.


Heekwon Ahn, PhD, Associate Professor, Department of Animal Biosystems Science, Chungnam National University, South Korea

Dr. Heekwon Ahn is currently an associate professor at the Chungnam National University in S.Korea. He has conducted various research projects related to animal mortality composting and burial in the U.S. and S. Korea. He will introduce animal mortality disposal standard operating procedures recently revised by S. Korean government after experiencing serious FMD outbreak in 2011.