Until retiring from his position as senior fellow[3] at the Boeing Company[4] in 2020,[3] he oversaw their Blended Wing Body ("BWB") program.
[9] Since his retirement he remains active in aviation industry associations and continues to teach at University of California, Irvine.
[4][11][12] Liebeck worked summers at the Douglas Aircraft Company, located in Santa Monica, California,[5] until he joined the permanent staff in 1968.
[4][7] He was also an adjunct professor teaching aerodynamics, flight mechanics and airplane design at the University of Southern California from 1977 to 2000.
[4][10] Liebeck was presented with the Brigadier General Charles E. "Chuck" Yeager International Aeronautical Achievement Award in 2012.