Duff was raised in Calhoun County, IL where his family owned and operated several local businesses including Corbett Real Estate (1967-2015) and Corbett Farms. Since 2006, Duff has been licensed in real estate in Missouri and Illinois resulting in multiple multi-million-dollar property sales ranging from agricultural to commercial. While working for Corbett Real Estate in Hardin, Duff focused on rural (agricultural and recreational) property sales. Prior to Duff’s Real Estate career, he served as Regional Sales Manager for Southwestern Bell (now AT&T) and Panasonic.
Duff remains a property owner in Calhoun County where he operates Corbett Farms. He is an avid sports fan and resides in St. Louis, MO.