During his undergraduate time, Michael served as the Founding Father Archon of the Iota Rho chapter. He competed in the 2012 Illinois Army National Guard Soldier of the Year competition and placed second in the state of Illinois. The next year, he was promoted to the rank of Sergeant and competed in the Illinois Army National Guard Non-Commissioned Officer of the Year and was the 108th sustainment brigade non-commissioned officer of the year. He attended graduate school at Western Illinois University where he studied Public Administration. During graduate work he served for two consecutive terms on the WIU Board of Trustees and was active in Student Government. Quigley performed duties as a graduate assistant and commissioned through ROTC where he served as the Cadet Battalion Commander. While in graduate school he continued as a member of the Illinois National Guard. After graduating and commissioning he went into the active duty Army and served as Cadre for Cadet Summer Training at Fort Knox Kentucky, and graduate Military Intelligence Basic Officer Leaders Course. He now works as the Assistant S2 (intelligence officer) and Security Manager for 1-9 Cavalry at Fort Hood Texas and has remained actively involved in Iota Rho as an alumnus and kept consistent contact with the current Iota Rho Archon.