Mike joined the University of San Francisco University Ministry staff in 1996 as associate director where he directed several of USF’s most prominent social justice programs including the Arrupe Immersion Program, the Justice Lecture Series, and the Peace and Justice Coalition. Especially notable have been the figures Mike has brought to campus as part of the Justice Lecture Series, including Nobel Peace Prize Laureates Shirin Ebadi, Oscar Arias, Adolfo Perez Esquivel, Rigoberta Menchu Tum, Mairead Corrigan Maguire, and Jody Williams; Sr. Helen Prejean, C.S.J., Author of Dead Man Walking; and mostly recently, Dr. Paul Farmer. Mike also founded the USF Arrupe Immersion Program bringing faculty, staff and students to marginalized populations in Belize, Guatemala, Cuba, Peru, Mexico, El Salvador, India, and Vietnam. Mike received his doctoral degree in education from USF in 2005. His dissertation entitled Directives within Catholic Social Teaching for the Promotion of Justice through Educational Activities was published in 2008. In 2003 Duffy was given the Fr. William Dunne Award by former university president Fr. Stephen A. Privett, S.J., the university’s highest award for staff service, as well as the Peacemakers Award by the university's Peace & Justice Coalition. An adjunct faculty member, Mike teaches in USF's Erasmus Project residential learning community and teaches a seminar in Catholic social thought. Mike is a member of the board of the Jesuit Volunteer Corps: Southwest and the California Province Mission & Vision Committee.