Derek E. Lee is a quantitative ecologist with expertise in demography and population ecology. He spent 10 years researching the impacts of climate and ocean conditions on survival, reproduction, and population growth rates of marine predators such as northern elephant seals and seabirds in California. His work has been included in conservation and management plans. He also studied migration of waterfowl, as well as fire ecology of small mammals and California Spotted Owls. Derek is currently Principal Scientist and CEO of the Wild Nature Institute, where he is working on conservation demography of Maasai Giraffe, and the 20 large mammal species in the Tarangire Ecosystem of Tanzania. He is also advocating for protection of wildlife migration routes.