Gregory T. Long was named executive director of the Federal Retirement Thrift Investment Board, Washington, according to a board news release. The board oversees the $210 billion Thrift Savings Plan for federal employees. He replaces Gary A. Amelio, who resigned to become president of retirement services for ULLICO on Feb. 5. Mr. Long was director of product development for the Thrift Savings Plan. Tom Trabucco, director of external affairs for the board, said no announcement had been made about a search for Mr. Longs replacement, but he expects the position will be filled.