Justin graduated from Valhalla high school where he and the 2010 varsity baseball team won the class C state championship.
He then went on to play at Westchester Community College for the next two years. Winning awards such as first team All-American, player of the year, Marucci Elite Hitter of the Year and being a captain of the Vikings to help lead them the JUCO College World Series at the DII level. He finished his final year at Westchester with a 456. Batting average, 56 RBIs, 22 doubles.
Justin then continued his baseball career at Susquehanna University. He was named captain his senior year to help lead the Crusaders set school history with a record of 33-16 and going one game shy of the College World Series (DIII). He was named first team All-American, player of the year (Landmark Conference), and region player of the year. He finished his senior year with a 465. Batting average, 49 RBIs, and 12 home runs.