After nearly 30 years with the FAA, associate administrator for aviation safety Nick Sabatini will retire effective January 3, the agency announced last month. In the post, Sabatini has overseen regulation and certification matters at the agency. He will be replaced by Peggy Gilligan, deputy associate administrator for aviation safety. Sabatini has been associate administrator for aviation safety since June 2001. Also retiring effective January 3 is Ruth Leverenz, who most recently has served as acting deputy administrator of the agency. No replacement has yet been named for Leverenz, who has been acting deputy administrator since September last year.