Jim Koch is an American entrepreneur best known as the co-founder of Boston Beer Company, which produces the popular Samuel Adams beer. He started the company in 1984, inspired by his family's brewing history and a desire to create high-quality craft beer. Under his leadership, the company has grown significantly and has become a major player in the craft beer industry. Koch is also recognized for his contributions to the craft beer movement, advocating for small breweries and promoting the importance of quality ingredients. He has received numerous awards for his work and is often invited to speak at industry events, sharing his insights on brewing and entrepreneurship.