Leon F. "Lee" Ellis (born October 9, 1943) is a retired United States Air Force colonel, award-winning author, speaker, and consultant. Ellis gained notoriety when, as a fighter pilot in the Vietnam War, he was shot down, captured, and spent ​5 ⁄2 years as a prisoner of war in Hanoi and surrounding areas with former presidential candidate and Senator John McCain (R-AZ) and others. His capture occurred on November 7, 1967, and he was released on March 14, 1973. He was one of the youngest, junior members in the camps. Ellis is an international speaker and consultant on the subjects of leadership and human performance, organizational integrity, operational effectiveness, and personal accountability. He frequently consults with various organizations—from small businesses to Fortune 500 organizations on these subjects. Ellis' latest book, Leadership Behavior DNA: Discovering Natural Talents and Managing Differences was published in 2020 with co-author Hugh Massie. Engage with Honor: Building a Culture of Courageous Accountability published in 2016 and his last award-winning book, Leading with Honor: Leadership Lessons from the Hanoi Hilton published in 2012, share his POW experience and the leadership principles that helped him and his compatriots resist, survive, and return with honor. His previous book, Leading Talents, Leading Teams, was published by Northfield Publishing and shares in-depth team concepts on how to lead and manage based on individual, innate gifts and talents. Additionally, Lee has co-authored three additional books and workbooks on career planning.