Mr. Magill was born and raised in Northwest Pennsylvania. He spent three years in the U.S. Army before returning to Pennsylvania to attend Edinboro University of Pennsylvania. He served two years in the Army Reserves during his time at Edinboro University. After graduating with a B.A. in Criminal Justice, with minors in Political Science and Psychology, he went on to earn a Juris Doctor from Rodger Williams School of Law and a Masters in Criminal Justice: Public Administration from Liberty University.

Justin and his wife Shari have been members of the Constitution Party for several years, having found the party to be one committed to the Constitution and the Principles of Liberty. Mr. Magill is now the Vice-Chairman and the NW Regional Chairman for the Constitution Party of Pennsylvania.