Dr. Larsen began her career in 1975 as a staff economist for the U.S .Department of Transportation (DOT), Office of the Secretary. Dr. Larsen was Vice President of the Regional Airline Association (RAA), representing U.S. regional airlines. She was responsible for government relations and was a key industry spokesperson presenting and providing testimony to Congress, federal agencies and industry organizations. She took a two-year leave of absence from RAA from 1980 to 1982 and served as the President of Alaska Air Carriers Association and Executive Director of the Alaskan Aviation Safety Foundation.
Dr. Larsen is a private pilot, past-President (2001) of the Aero Club of Washington D.C, member board of directors (2005) International Trade Data Users, member International Aviation Woman’s Association, member Board of Directors (2010-present) International Aviation Club, member Royal Aeronautics Society, has served as Chairman, Regional Aviation Subcommittee (1995-2005), Transportation Research Board, National Academies.