David Siegel is an American entrepreneur known for his role as the CEO of Stack Overflow, a popular question-and-answer website for programmers. He has a background in technology and business, having previously worked in various leadership positions in the tech industry. Siegel is recognized for his efforts in fostering a collaborative community among developers and enhancing the platform's user experience. In addition to his work at Stack Overflow, Siegel is an advocate for open-source software and has contributed to various initiatives aimed at improving the tech ecosystem. He is also a speaker and writer, sharing insights on entrepreneurship, technology trends, and the importance of community in the digital age.