Principal Investigators


Rudovick Kazwala, DVM, MVM, PhD, co-founder of the HALI project, is a professor in the Department of Veterinary Medicine and Public Health at the Faculty of Veterinary Medicine, and leads the Veterinary Public Health Unit at the University.  Prof. Kazwala’s research focuses on bacterial and viral zoonotic diseases. He is the Chairman of Tanzania Veterinary Association, and is a member of the Tanzania Food and Drug Authority, Food Technical Committee.  He also serves as an advisor raising awareness among government officials of the health implications of infectious diseases and supports outbreak response planning. Prof. Kazwala coordinates the Bovine Tuberculosis Network for Africa and the Zoonoses Section of the Collaborative research in environmental toxicology and zoonotic diseases in the Human:Domestic Animal:Wildlife interface areas of Eastern and Southern Africa - A South-North Veterinary Network.


jonna mazet.jpg

Dr. Jonna Mazet, DVM, MPVM, PhD, is the co-founder of the HALI project together with Professor Rudovick Kazwala of the Sokoine University of Agriculture.  She is a Professor of Wildlife Health and Epidemiology, Director of the One Health Institute at UC Davis, and Executive Director of the USAID-funded PREDICT project. Her research program focuses on the impacts of infectious diseases and toxins on wildlife populations with three major areas of emphasis: ecology of infectious diseases, coastal ecosystem health and wildlife diagnostics and disease surveillance.  






Woutrina Smith, DVM, MPVM, PhD, is a veterinarian and an Assistant Adjunct Professor in the School of Veterinary Medicine, University of California, Davis. Her research focuses on the epidemiology of zoonotic pathogens at human:animal:environment interfaces in East Africa, Asia, and North America. As Education Coordinator for the One Health Center of Expertise of the UC Global Health Institute and as Capacity Building Coordinator for the USAID PREDICT Program, she works to promote collaborative One Health research and education locally and globally.  With HALI, Dr. Smith leads research funded by the National Institutes of Health investigating zoonotic transmission dynamics between humans, their livestock, wildlife and the environment.


Contact HALI

This page is a work in progress... Stay tuned for additions from our Sokoine University of Agriculture laboratory team, UC Davis team, and international collaborators.