Muise served thirteen years as an officer in the U.S. Marine Corps: infantry officer for 9 years, participated in Operations Desert Shield and Desert Storm in the Persian Gulf War. Law school at the University of Notre Dame, graduated Summa Cum Laude in 1997, and served several years as a Marine Judge Advocate. rank of Major prior to resigning commission in 2000. undergraduate degree in 1987 from the College of the Holy Cross in Worcester, Massachusetts. He and his wife have twelve children.