Fr. Gregory grew up on Long Island, NY and studied computer and systems engineering at Rensselaer Polytechnic Institute. He gradually discerned a call to the priesthood while working for a major computer company in the Boston area. In 2010, following six years of preparation at St. John's Seminary, he was ordained a priest of the Archdiocese of Boston.
Fr. Gregory joined the Medfield and Norfolk collaborative in July, 2017. His previous assignments were in Salem, South Boston, and Braintree.