McKell is married to NuSkin co-founder Nedra Roney McKell. In 1996, Roney McKell, who was then known as Nedra Roney Tischner, was charged with three third-degree felony counts of prescription fraud and another count of insurance fraud. She eventually entered a plea in abeyence to the charges and received three years of probation. Prosecutors agreed to dismiss the charges after a three-year probation period.