Mark S.

With over twenty years of teaching experience, Mark has helped thousands of students prepare for the GMAT, GRE, and EA through private tutoring, classes, and coaching. They also have extensive curriculum design experience—the courses they've built include Manhattan Prep's Advanced GMAT Course and GMAC's Business Fundamentals Statistics Course, and they were a senior curriculum developer throughout MPrep's transition to the Focus Edition of the GMAT. Mark holds a B.S. in mathematics from Calte…