MDI is a group of scientists and veterinarians working together with dedicated volunteers from all over the world to help dogs, wildlife and people in Madagascar.


Co-Director, Dr. Kim Valenta.

Kim Valenta is an assistant professor at the University of Florida. She studies animal-plant interactions in Uganda and Madagascar, and what happens to co-evolved systems when they are altered by humans.




Director of Ecohealth, Dr. Sarah Zohdy

Sarah Zohdy is a professor of disease ecology at Auburn University in the School of Forestry and Wildlife Sciences and College of Veterinary Medicine. She studies infectious diseases in Madagascar, and combines methodologies to better understand the ecological drivers of transmission events between humans, animals, and the environment.


Project Manager, Radoniaina Rafaliarison

Rado is a PhD candidate at the University of Antananarivo, Madagascar. Rado has spent years working to study and conserve Madagascar’s native fauna and flora, in many of the country’s national parks. Rado has been with MDI since 2015.





In-Country Director, Dr. Zoavina Randriana.

Dr. Randriana earned her veterinary degree from the University of Antananarivo, as well as a Master’s in Conservation at the University of Oxford. She has extensive experience working with international conservation NGOs, first joining MDI as a veterinarian in 2014.


Veterinarian, Dr. Tsiky Rajaonarivelo

Tsiky is a vet who has been working with the Mad Dog Initiative since 2015. She has completed advanced surgical training on a winter trip to Winnipeg, Canada, as well as specialized lemur medicine and husbandry training at the Duke Lemur Center, in Durham, N.C.

Sarah Zohdy

Co-founder, Director of Population Research and Modelling, Dr. Zach Farris

Zach Farris a professor at App State University who studies carnivore ecology across Madagascar. He combines non-invasive sampling with population modeling to investigate the impact of human disturbance, hunting, forest loss, and exotic species on native carnivores and lemurs. 


Director of Special Projects, Dr. Tara Clarke

Tara Clarke is a member of the IUCN SSC Primate Specialist Group, and has conducted conservation, outreach, and research in Madagascar for 15 years. Her current work is aimed at understanding the lemur pet trade.