Fr. John Arnold was born in Tucson, Arizona and grew up in Sts. Peter and Paul Parish and School. After graduating from Salpointe High School, he went to the seminary for over a year. After leaving, he attended and graduated from the University of Arizona and, then, Gonzaga University School of Law in 1982. He practiced law for twelve years before reentering seminary training at Sacred Heart School of Theology, Hales Corners, Wisconsin. after completing his M.Div and M.A. in Theology he entered Catholic University Canon Law School, Washington, D.C. obtaining his J.C.L. in 2003. He is pastor of St. Anthony of Padua parish and the associate judicial vicar for the Tribunal of the Diocese of Tucson.