Our GMAT, GRE, EA & LSAT Tutors
Charles bibilos, Colorado
Charles Bibilos is one of the world’s most accomplished independent GMAT instructors, with nearly 20 years of experience as a classroom teacher and private tutor.
mike maietta, New York
The proud owner of a 790 on the GMAT, Michael graduated summa cum laude in Mechanical Engineering, and is an experienced teacher, writer, and management consultant.
dave goldstein, Boston
Dave has taught test prep since 2004, winning teacher-of-the-year awards from two major test-prep companies before joining GMAT Ninja.
dana stepleton, california
Dana is a West Point graduate and former Army captain who has earned a 780 on the GMAT, in addition to 99th percentile scores on the GRE, SAT, and ACT.
Harry Duthie, edinburgh
Harry is a Scotland-based former semipro rugby player with 770 on the GMAT.
He has been known to tackle or bench-press students who fail to complete their GMAT homework.
Bransen Vilardo, Florida
Bransen is the only American we’ve ever met who speaks fluent Hebrew, Greek, and Arabic, in addition to earning a 790 on the GMAT.
Alex cotton, New york
Our resident renaissance man, Alex has a background in biology, journalism, fiction writing, and jazz piano, in addition to 15+ years of tutoring experience and a perfect score on the GMAT verbal section.
Tim Chen, Sydney
Tim earned a 790 on the GMAT, with perfect IR, AWA, and quant scores. He has attended law school, business school, and medical school at various levels, and even taught English to monks in rural China.
John Michael Macdonald, London
John Michael is one of the world’s most versatile teachers, with more than two decades of experience teaching standardized test prep, history, literature, and theater, among other topics. John Michael is also an accomplished actor, with more than 25 professional credits over the course of his career.
Indiana Tim, CaliforniA
Indiana Tim holds three graduate degrees – an MBA, a JD, and a Master’s in Education – and a 780 on the GMAT, along with 99th-percentile scores on several other standardized exams. He has also designed and taught basketball history and culture courses for high school students.
you, future GMAT tutor
Do you love teaching? Do you enjoy crushing standardized tests, even if you’re embarrassed to admit it to your friends? Let’s work together!
our tutors
GMAT Ninja's team of GRE and GMAT tutors includes two novelists with more than 15 years of test-prep tutoring experience, an accomplished surfer with a 790 GMAT score, a former Army captain and West Point graduate, a Hebrew- and Arabic-speaking pastor, a former semipro rugby player, and an ex-professional dancer with perfect scores on the GRE and GMAT. So if you’re looking for help improving your GMAT score, you’ll be in good hands with our interesting, experienced GRE and GMAT tutors.