Following his Air Force career, McPeak entered the private sector as a consultant and business executive. He has been on the boards of directors for TWA, ECC International, where he served for several years as Chairman, Tektronix, Sensis Corporation, Aerojet/Rocketdyne, Iovance Biotherapeutics and other corporations. He was a founding investor and for a decade Chairman of Ethicspoint, a Portland, Oregon-based software startup. When sold to private equity, is was perhaps Oregon's most successful startup in recent years. McPeak and his wife Elynor currently reside in [Oregon. Ellie served for 9 years as a member of the Lake Oswego City Council.