He was born on April 5, 1952 in Portland, Oregon and is best known for playing Walter Skinner in The X-Files and as Col. Steven Caldwell in Stargate Atlantis. In high school, he was an athlete focusing in wrestling and football. After high school, he attended the University of Texas-Austin and received a degree in business. Currently he is married to Arlene Warren and has one daughter.
- Pileggi's family lived in numerous states, including Oregon, California, and Texas.
- Eventually his family moved to Turkey, where he spent most of his adolescence.
- His father, Vito Pileggi, was also a Defense Contractor, prompting the many moves that his family went through.
- He worked in Iran as a defense contractor until he was driven out by the 1979 Iranian Revolution.