Donald Bren is an American businessman and real estate developer, best known as the chairman of The Irvine Company, a privately held real estate investment company. Born on May 11, 1932, in Los Angeles, California, he has played a significant role in shaping the development of Orange County and surrounding areas through his extensive property investments and developments. Bren is recognized as one of the wealthiest individuals in the United States, with a net worth that has consistently placed him among the top billionaires. His focus on sustainable development and community planning has earned him accolades in the real estate industry, making him a prominent figure in urban development discussions.