Born in Queens, New York and raised in Long Island, John attended St. John the Baptist High School. He attended the University of Rhode Island on a football scholarship and graduated with a Bachelor of Science in Business Administration in 1989.
After college, John worked for a major national insurance company as an insurance adjuster. Given his past experience as an insurance adjuster, John knows the claims process inside and out.
In 1995, John received his Juris Doctorate from Albany Law School and was thereafter admitted to practice law in both New York and Massachusetts. Later that same year, John joined a small law firm in Northampton, Massachusetts that limited its practice to personal injury law.
In 2001, John went into solo practice and opened the Law Office of John P. DiBartolo, Jr. in Easthampton, Massachusetts. The second location in Greenfield, Massachusetts was opened in 2004 and the third office in Northampton, Massachusetts was opened in 2006.
John is a member of the Hampshire County Bar Association. He has been a continuing legal education lecturer for the Massachusetts Bar Association (MBA), Massachusetts Continuing Legal Education (MCLE) and Massachusetts Academy of Trial Attorneys (MATA); John has also been a radio commentator for WFCR, a local NPR affiliate station. John currently sits on the Board of Governors for the Massachusetts Academy of Trial Attorneys, the Advisory Board of the Pioneer Valley Ballet and is an assistant football coach at Northampton High School.
Active in the community, John has been involved with a number of local charities and recently retired from the Board of Directors for the Northampton Survival Center after 10 years. In 2008, John received the Massachusetts Bar Association Community Service Award. John currently serves as an assistant football coach at Northampton High School.