Geoff Wisner is an essayist and book reviewer with a focus on Africa, the Caribbean, and environmental issues. His work has appeared in the New York Times, the Boston Globe, the Boston Book Review, Wild Earth, and Henry Louis Gates' journal Transition. He is the author of A Basket of Leaves: 99 Books That Capture the Spirit of Africa.

Geoff was born and raised in upstate New York, and earned a degree in English and American literature and language from Harvard University. As the Assistant Director of the US office of the International Defense and Aid Fund for Southern Africa, he worked for the legal defense of political prisoners in South Africa and Namibia. He has also lived and worked in Zimbabwe. He currently resides in Brooklyn, NY.