Dave Portnoy is an American entrepreneur and internet personality, best known as the founder of Barstool Sports, a sports and pop culture media company. He started the company in 2003, initially focusing on sports news and gambling, and it has since expanded into various forms of entertainment, including podcasts and social media content. Portnoy gained significant fame through his online presence, particularly for his pizza reviews, where he rates pizzerias on a scale of 1 to 10. His straightforward and often humorous style has attracted a large following, making him a prominent figure in the world of digital media and sports commentary.