David Cohen is a common name and can refer to various individuals across different fields. One notable David Cohen is an American lawyer and entrepreneur known for his work in the technology sector. He has been involved in several startups and has contributed to the development of innovative solutions in the digital landscape. Another prominent David Cohen is a Canadian politician who served as a member of the Montreal city council. He has been active in local governance and community initiatives, focusing on urban development and public services. His contributions have aimed to improve the quality of life for residents in his constituency.