Rush Spencer Wells is an American geneticist, anthropologist, author, and entrepreneur. He co-hosts The Insight podcast with Razib Khan. From 2005 to 2015, Wells led The Genographic Project as an Explorer-in-Residence at the National Geographic Society. This project, undertaken by the National Geographic Society, IBM, and the Waitt Foundation, aimed to map human migration patterns by analyzing DNA samples globally and is credited with creating the personal genomics industry.