Directory

David Fisher came to St. Mark’s in 2016 as chair of the History and Social Sciences Department after a more than 25-year career on the international school circuit. Prior to coming here, he taught in Malaysia, Argentina, the Phillipines, Oman and Bangladesh. He holds a master’s degree from the University of Cambridge and a bachelor’s degree from Harvard University. Fisher, whose son Nathaniel graduated from here in 2023, has previously worked as an academic dean, department head and college counselor.

Before joining St. Mark’s, Bryan Boucher taught and coached for 14 years in several public schools in Connecticut, Georgia and Texas. A member of the History and Social Sciences Department, he teaches classes in AP U.S. history and AP microeconomics, and is co-sponsor in the junior and senior class advisory rotations. After receiving his bachelor’s degree from Connecticut College, he completed a two year fellowship program with the United States Golf Association before beginning his career as an educator. With a master’s degree from the University of North Texas, he has been awarded the Ackerman Character Education Award at St. Mark’s in 2021 and was recognized as an “Outstanding Educator” from the University of Chicago, based on student recommendations. Boucher has served as an AP reader for various subjects since 2011 and previously worked as an AP regional consultant.

After playing football at Princeton University, Harry Flaherty spent brief stints with the New Orleans Saints, Tampa Bay Buccaneers and Dallas Cowboys before moving to the University of Tennessee, where he earned a law degree while coaching football in a graduate assistant role for the Volunteers’ football program. Coming to St. Mark’s in 2021, he now serves as head football coach, Upper School history teacher and adviser in the 11th and 12th grade rotations. Before joining St. Mark’s, Flaherty spent six years at The Lawrenceville School in New Jersey, where he served as a history teacher, head varsity football coach, assistant dean of Admission and housemaster for all ninth grade boarding boys.

Dr. Andrea Hamilton has been a member of the St. Mark’s community since 2019 and is a faculty member in the Department of History and Social Sciences. She teaches courses in history of American society, foundations of world societies and AP U.S. history. A mom to Miller Wendorf ‘24, she earned a doctorate from Tulane University and holds undergraduate degrees from Indiana University and Southern Methodist University. Prior to St. Mark’s she taught a variety of history and English classes at Southern Methodist University. Hamilton sponsors the St. Mark’s chapter of Junior World Affairs Council and travels with the School’s Model United Nations team.

In his position as director of Civic Responsibility, Dr. John Perryman is a member of both the History and Social Sciences Department and the English Department where he teaches courses in sophomore English, AP history and the highly popular senior elective, “A 100-year partnership: A history of St. Mark’s and the City of Dallas.” He joined the School in 2009 and previously served as assistant head of the Upper School. He earned a bachelor’s degree from Williams College and both a master’s degree and a doctorate from the University of Texas at Dallas. He was the recipient of the Marksmen yearbook dedication in 2016.