He founded Coronet Industries, a subsidiary of the RCA Corporation, and served as its president and chairman of the board.
In 1965 he was named the Outstanding Small Businessman in the nation, and in 1971 was the recipient of the Gold Torch Award from the City of Hope, a pilot medical center headquartered in Duarte, California.
He gave generously to Oklahoma State University and was the primary sponsor of OSU's Center for the Performing Arts, which bears his name.
He also donated generously to Emory University, where a wellness center bears his name.
Seretean was also the former president and general manager of the Atlanta Hawks NBA team.