​Mark teaches acting, improv, and screenwriting classes at the award-winning theater company The Barrow Group, where he has taught for over 8 years. Mark has also taught at the American Comedy Institute, The Annoyance Theatre, Magnet Theater, and The Peoples Improv Theater in New York. He has conducted workshops and professional development seminars for many organizations, including Columbia University, The Ford Foundation, The Fulbright Association, Kaye Scholer LLP, Marymount Manhattan College, The New York Film Academy, Pearson Education, Travelocity, Twitter, and WebMD. He studied acting at The Barrow Group and The Atlantic Theater Company, improv and sketch comedy at The Upright Citizens Brigade, and filmmaking at the Graduate School of Cinema at Brooklyn College.