Herizo completed his DPhil (PhD) in 2017 at the Oxford Long Term Ecology Lab (OxLEL) Department of Zoology, University of Oxford. To our knowledge, Herizo is the first Malagasy person to be awarded a doctorate degree at the University of Oxford in its history. He gained a Forestry degree in 2000 and a DEA (MSc) on Ecology and Development in 2009 from the Department of Forestry, University of Antananarivo Madagascar. He also obtained a Postgraduate Diploma in international wildlife conservation practice from the Wildlife Conservation Research Unit, Department of Zoology, the University of Oxford in 2009. In 2014 he won the Tusk Award for Conservation in Africa, presented by HRH Prince William, for his conservation work in his homeland of Madagascar.

Herizo is a conservation practitioner with interests in ecological monitoring and GIS. For the last 17 years, he has worked for the Durrell Wildlife Conservation Trust Madagascar Programme as the coordinator of ecological monitoring and protected areas.