Larry Sanger is an American internet project developer and co-founder of Wikipedia, the popular online encyclopedia. He played a significant role in shaping the platform's early structure and policies, emphasizing the importance of reliable sources and neutrality in content. In addition to his work with Wikipedia, Sanger has been involved in various other educational projects, including Citizendium, which aimed to improve the quality of online information by incorporating expert oversight. He is an advocate for open knowledge and has contributed to discussions about the future of information sharing on the internet.