Viskam Wijewardana received his PhD in Veterinary Immunology in 2007 from Osaka Prefecture University in Japan and his BVSc in 1999 from the University of Peradeniya in Sri Lanka. He worked as a Post Doctoral Associate at the University of Pittsburgh's Centre for Vaccine Research (CVR) studying SIV/HIV immunology. He was a research fellow at Osaka Prefecture University, where he worked on dendritic cell-based cancer immunotherapy. Viskam has been working at the International Atomic Energy Agency (IAEA) in Vienna since 2015, where he oversees livestock immunology and vaccine development, especially on the irradiated vaccines. He provides expertise, knowledge, and services in the development, evaluation, validation, and transfer of technologies for disease control in animals. He has co-authored 70 peer-review papers and book chapters. Viskam is currently the Head of the IAEA's Animal Production and Health Laboratory of the Joint FAO/IAEA Centre of Nuclear Techniques in Food and Agriculture at the IAEA.