Greg Martin began teaching as a triple threat educator (teacher, coach, dorm parent) in 1996 at Rumsey Hall School in Connecticut. He then held positions at the Gunnery (Washington Connecticut), Western Connecticut State University, and Porter-Gaud School (Charleston, South Carolina). Martin currently serves as the Dean of Upper School and History Department Head at the Perkiomen School in Pennsburg, Pennsylvania.
Martin has written articles on independent schools for the National Association of Independent Schools and the Enrollment Management Association. He has presented at conferences for the Pennsylvania Association of Independent Schools (PAIS) and the Association of Boarding Schools (TABS). Martin has also led webinars and podcasts for TABS, the Independent Curriculum Group, and Blackbaud. He has served as an accreditation team member for PAIS and as chair of the accreditation self-study for the Perkiomen School.