Addis is the co-founder of Industry Entertainment, a leading management and production company. He is also a longtime environmentalist. Prior to joining Oceana's board, Addis was the Chairman of the American Oceans Campaign (AOC). Under his leadership, AOC -- founded by Addis's longtime friend and client Ted Danson -- achieved victories on key marine issues including bottom trawling and offshore oil drilling. AOC merged with Oceana in 2001.