David L. Gunn
He was Director of Operations of the Massachusetts Bay Transportation Authority (MBTA) from 1975 to 1979, General Manager and Chief Operations Officer of the Southeastern Pennsylvania Transportation Authority (SEPTA) from 1979 to 1984, President of the New York City Transit Authority from 1984 to 1990, the General Manager at WMATA (the Washington Metro) from 1991 to 1994, and Chief General Manager of the Toronto Transit Commission in Canada from 1995 to 1999.