William Xifaras was born in raised in Massachusetts; primarily the city of New Bedford, and later Boston. The son of Beatrice Keshian of Medford, MA and Michael Xifaras of New Bedford, MA.

He began film acting after his release from Massachusetts state prison system in 2005 (after having served 5 years for Intimidation). Bill spent many years learning through a variety of classes including: improv, acting on film, character development and scene study. Simultaneously he volunteered his time to talk to at-risk youth about the importance of education and goals.