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Contributors
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Charles Bibilos
Charles Bibilos

Charles Bibilos

Founder at GMAT Ninja

Charles Bibilos is the founder of GMAT Ninja, an online test prep tutoring service specializing in graduate entrance exams. With more than 20 years of hands-on tutoring experience, Charles has guided students through every phase of graduate admissions, witnessing many changes in testing and admissions trends along the way. In addition to his work as a tutor, Charles' MBA consulting services have helped hundreds of students gain admission to top business and management programs around the globe.

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