A frequent industry speaker and writer, Cantrell is executive vice president of strategy at United Real Estate, the 11th largest brokerage and 12th largest franchise brand in the US. Cantrell also leads the Franklin, Tennessee-based Benchmark Realty, which United Real Estate acquired in 2020. In 2025, Cantrell published “Failing My Way to Success,” a book collating his over four decades of business and real estate experience.