 Lyles is also a Trustee of Analytic Services and a Managing Partner of Four Seasons Ventures, LLC.Lyles entered the Air Force in 1968 as a distinguished graduate of the Air Force ROTC program.He served in various assignments, including Program Element Monitor of the Short-Range Attack Missile at Headquarters U.S. Air Force in 1974, and as Special Assistant and Aide-De-Camp to the Commander of Air Force Systems Command (AFSC) in 1978.