Nathan Miller joined Swarthmore College on July 8, 2013 as the Dean of the Senior Class and director of student conduct and currently serves as the interim dean of students & senior associate dean of student life. Prior to his arrival at Swarthmore, he served as the director of undergraduate judicial affairs at Dartmouth College, where he had worked since 2008. There he oversaw the college undergraduate judicial process, which included serving as the primary hearing officer.

Previously at the University of Alaska, Anchorage, he served as the assistant director of student judicial services (2006-2008) and as residence coordinator/first-year experience coordinator (2004-2006). At UAA, he also developed a peer mentor academic outreach program and collaborated with Native Student Services to provide weekly Alaska Native cultural events and activities.

Miller's additional professional experiences include serving as an area coordinator and assistant wrestling coach at St. Olaf College. He has also presented trainings on a broad range of topics including sexual misconduct, academic integrity, and drugs and alcohol, among others.

Miller received his B.A. from St. Olaf College, his M.S. in counseling and student personnel: college student affairs from Minnesota State University, Mankato, and his Ed.D. in higher education management from the University of Pennsylvania.