Winnie Kiiru is a Kenyan biologist, elephant conservationist, and the chairperson of the Wildlife Research Institute in Naivasha.

In 1995, Kiiru earned a Master's degree from the University of Zimbabwe in Tropical Resource Ecology.

[1] Kiiru earned a PhD in biology from the University of Kent in Canterbury.

[6] Kiiru is a trustee of the Kenya Wildlife Service and the Amboseli Trust for Elephants.

[7][8] Kiiru helped persuade the Kenyan government to publicly burn ivory tusks, and a video of the burning featured in the 2018 film Anthropocene: The Human Epoch.