Craig Newmark is an American internet entrepreneur best known as the founder of Craigslist, a popular online classifieds website. Launched in 1995, Craigslist started as an email distribution list for friends in the San Francisco Bay Area and quickly grew into a platform for buying, selling, and trading goods and services. In addition to his work with Craigslist, Newmark is known for his philanthropic efforts, particularly in supporting journalism and combating misinformation. He has donated to various causes, including public interest journalism and veterans' services, reflecting his commitment to social issues and community support.