Andrew A. Wiederhorn (born February 10, 1966) is an American businessman from Portland, Oregon. He is the CEO and President of FAT Brands Inc., a restaurant franchising company that owns 17 restaurant brands and franchises over 2,300 units worldwide. Prior to FAT Brands, he founded Wilshire Financial Services Group and served as its CEO, with a then net worth of $140 million. Wiederhorn served a penitentiary sentence after pleading guilty to multiple felony counts between 2004 and 2005, which included filing a false tax return and an ERISA violation.