About Durhon Oldham & Brett Gryska Durhon Oldham Durhon Oldham, State General Agent in New York, grew up in Louisville, Kentucky, in a single parent home. He married at 16 and barely finished high school. He joined the U.S. Air Force, spent 10 years as a security specialist and the last six years as a Survival Instructor. “I have no college education and had virtually no sales experience prior to starting with National Income Life in 1996. I have had a very successful career and have amassed millions of dollars in future renewals. I mention this because I believe that if I can make it to the top with this Company, literally anyone can.