Meet The Team


Harriet Broder

Harriet is well known in the Washington DC area for significantly boosting students test scores. Ultimately, students are provided with the best opportunity to get into the college of their choice. Recipient of Area’s #1 Test Prep Tutorial Program. With over four decades of experience, Harriet has taught all levels of students from the Ivy League bound former President's daughter to the struggling student with weak critical reading skills. She has served also as the developer of the curriculum and materials used in Breakthrough's Test Prep programs for over 25 years.

To learn more about Harriet's history and how she began developing the core methods that have continued to prove effective throughout countless changes, have a look at this interview first published in the Washington Times,


Allen Grabo

Allen joins Breakthrough as a tutor with a a strong interdisciplinary academic background and a passion for education. A National Merit Finalist thanks to an aptitude for the PSAT,  he was then offered a full academic scholarship to Michigan State University where he spent 4 years studying the humanities (English, Psychology, and Philosophy) and volunteering as a tutor for gifted high school students throughout. After graduation he worked independently as an English-language tutor in Spain for several years, and more recently as a lecturer and supervisor while completing both his Masters and Doctorate degrees in Social Psychology at the VU University in Amsterdam.


Charles Upton

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Charles has been involved with standardized test preparation for over eight years prior to coming on board with BreakThrough Test Prep. When we made the decision to expand into prepping for the math and science sections of the SAT and ACT, Charles fit the bill perfectly. He had the right demeanor, creativity, intelligence and most importantly the ability to create rapport with every kind of student. He is able to craft individualized study programs for students with widely varying goals and challenges.