 Lt. Gen. Abrahamson was Executive Vice President for Corporate Development for Hughes Aircraft Company from October 1989 to April 1992 and as president of the Transportation Sector for Hughes Aircraft Company from April 1992 to September 1992.From 1992 to 1995, he served as chairman of the board of directors of Oracle Corporation.From 1996, he served as an adviser to FAA's Next Generation Air Transportation System, and founded International Air Safety LLC to bring the NextGen System researches to other civil aviation authorities.