"What a time it is to be at Mammoth," the announcement said on MammothMountain.com, which represents area. according to Wynn Resorts. He was a member of the casino operator’s corporate governance committee until Monday and is a "life trustee" of the University of Southern California. Shoemaker, 79, has been a board member since December. Aron Ain, CEO of workforce management and human resources software company Kronos, put an unlimited paid…