Mr. Kostopoulos is a Subject Expert Teacher in physics for our Middle and High School Programs. He taught various college-level physics and astrophysics courses for 12 years as a lecturer at various CUNY campuses, including Queens College, Lehman College, and City College. Previously, he was a graduate assistant at Hunter College. During that time, he has also worked as a private tutor focused on middle school and high school physics, chemistry, and math instruction. His experience includes preparing students for all AP Physics exams.​​​​‌‍​‍​‍‌‍‌​‍‌‍‍‌‌‍‌‌‍‍‌‌‍‍​‍​‍​‍‍​‍​‍‌‍‌​‌‍​‌‌‌​‌‍‌‍​‌‍‌‌​​‍‍‌‍​‌‍‌‍‌​‍​‍​‍​​‍​‍‌‍‍​‌​‍‌‍‌‌‌‍‌‍​‍​‍​‍‍​‍​‍‌‍‍​‌‌​‌‌​‌​​‌​​‍‍​‍​‍‌‍​‍‌‍​‌‌​‌‍‍‌‌​​‍‍‌‍​‌‌‍‌​‌‍‌‌‍‍‌‌‍‍​‍‍‌‍‌​‌‍​‌‌‌​‌‍‌‍​‌‍‌‌​​‍‍‌‍​‌‍‌‍‌​‍‌‍‌‌‌‍‌​‌‍‍‌‌‌​‌‍‌​‍​‍‌‍‍‌‌‌​‌‍‌‌‌‍‌‌‌‌‌​‌‍‌‌​​‌‍‌‌‌​​‍‌‍‌​​‌‌‌‍‍‍‌‍‍‌​‍‌‌​​​‌‌‍‌​‌‌‌​‌‍‌‍‌‍‍‌‌​‌‌‌‌​‌‍‌‌‌​‌‌‌​​‍‌​‍‌‌‌‍‍‌‌‍‌‌‌​‍‌‍‍‌‌‌​‌‍‌‌‌‍‌‌​​‍‌​‌‌‍‌‌‍‌‌‌​​‌‌‍‍‌​‌‍‌‍‍​‌​‍‌‌​‌‌​​​‌‍‌‌‍‌​​‍‌‌​‍‌‍‍​‌‌‌‌‍‍‌​‌‌​‍‌‌‍‌‌‌​‌​‍‌‍‌‌‌‍‌​‌‍‍‌‌‌​​‍​‌‍‌‍‌‍‍‌‌‍‌‌‌‍​‌‍‌​‌‌​​‌‍​‌‌‌​‌‍‍​​‌‌‍​‍‌‍‍‌‌‍​‍​‍‌‌

Mr. Kostopoulos has also worked as a research assistant at the American Museum of National History and at the National Centre of Scientific Research Institute of Nuclear Physics in Athens, Greece. His research in Greece included work handling a TANDEM particle accelerator and the completion of a thesis on Compton Shielding. Mr. Kostopoulos graduated from the National Technical University of Athens, Greece, with a degree in applied mathematics and physics. He went on to earn his master’s degree from the Graduate Center of the City University of New York, where he also pursued a PhD in Physics.

Mr. Kostopoulos' passions and what drives him in life include listening to and diving deeply into music, watching movies with his best friends and his family, travelling to places he has never been before, and playing recreational soccer twice a week.