Greg Smith is a common name and can refer to various individuals across different fields. One notable Greg Smith is a former executive at Goldman Sachs, who gained attention for his resignation letter in 2012, criticizing the company's culture and practices. His letter sparked discussions about ethics in the finance industry. Another Greg Smith is a professional athlete, known for his achievements in American football. He has played for several teams in the National Football League (NFL) and is recognized for his skills on the field. Each Greg Smith has made contributions in their respective areas, highlighting the diversity of individuals with this name.