Edward Perry "Ed" Bass (born (1945-09-10)September 10, 1945) is an American businessman, financier, philanthropist, and environmentalist who lives in Fort Worth, Texas. He financed the Biosphere 2 project, an artificial closed ecological system, which was built between 1987 and 1991. He is the chairman of Fine Line, an investment and venture-capital management firm in Fort Worth, and president of the board of directors of the Sid W. Richardson Foundation, a philanthropic organization.