He owned and operated the Chiropractic LifeCenter, a private practice in Franklin Park, New Jersey, for 16 years before relocating to the Gettysburg area in January of 2006. Dr. Mazza served on the Board of Trustees of Sherman College of Straight Chiropractic from 1993 until 2005, and served as vice chairman from 2002 to 2005. He has also served as a member of the Board of Trustees for the Federation of Straight Chiropractic, a national chiropractic society, and the Garden State Chiropractic Society, a state-level organization in New Jersey. In the summer of 2001, he and his wife Lorraine rode their bicycles across the United States to raise funds for the Berkowitz Scholarship, which they founded to offset the high cost of chiropractic education. Applicants must demonstrate a history of community service in order to be eligible.