![GMAT Ninja](/static/524935ff58e2a42bfd0d226aab965ea1/4d8a6/charles-bibilos.png)
Charles Bibilos, the founder of GMAT Ninja, is one of the world's most accomplished independent GRE instructors, with more than 20 years of experience as a classroom teacher and private tutor. He has achieved several perfect scores on the GRE, and his test-prep videos have earned well over 2 million views on YouTube.
Awards
Tutor (organization)
2024 Excellence in Education award nominee