Showing only 5 star reviews
5.0
Erfun will truly point you in the right direction. Everything about Erfun's tutoring is top notch, from his structure to his materials to his in-depth knowledge of all the exam's nuances. He helped me bring my Quant score up into the 80s, which I really didn't think was possible until our work together. Really glad I went with him.
March 2026
Vouched for Erfun based on experience working together before Leland

5.0
I was introduced to Erfun through a friend who found him via his outstanding reviews, and he more than lived up to them. Erfun is a highly effective and no-nonsense tutor who is exceptionally good at diagnosing exactly where you are weak and focusing his time there. He is extremely organized, assigns structured homework, and comes to every session with a clear plan. Classes typically begin with a concise review of relevant theory, then quickly shift to doing problems, reviewing homework or practice exam mistakes, and diving deeper into areas where you need the most support. He explains concepts clearly and logically, sends thorough notes after sessions, and uses more challenging LSAT reading comprehension and critical reasoning questions to train your thinking so the GRE feels more manageable by comparison. Erfun knows exactly what his students need and pushes them to get there efficiently. I would highly recommend Erfun to anyone who understands their weaknesses and is looking for focused, disciplined drilling in those specific areas.
March 2026
Vouched for Erfun based on experience working together before Leland

5.0
Erfun doesn't just teach the content. He teaches you how to reason effectively through the different question-types. He understands exactly what the test-makers are measuring and structures his lessons and homework to make sure you understand how to think properly through the questions and how to practice what you learned in the right way. His system for tracking results is intuitive, and he was always able to customize the sessions to make sure we hit my "sweet spot" -- I never felt like what I was learning was too easy, and I also never felt like it was over my head. Erfun was truly in sync with my learning style and needs, and I truly believe it was this level of customization that made the difference in my score. I should also mention that I live in Houston, so we did online tutoring. It was seamless and actually made the tutoring sessions even more effective, since I was able to record all the sessions and didn't have to commute. After three months of working with Erfun, I scored 327 on my GRE and will be attending HBS. I genuinely don't believe I would've been able to accomplish this without his help. Thank you, Erfun!
March 2026
Vouched for Erfun based on experience working together before Leland
Annika H scored 327 on the GRE

5.0
I can't say enough good things about Erfun's tutoring. He knows the exam so well (seriously, he sometimes knew the exact page of the question I was asking about) and he teaches it in a way that clicks. I was honestly overwhelmed with so many test prep options out there, but I immediately knew I was in good hands with him. He teaches all sections and has great pointers to ensure that you're always improving. His classes were structured, and he has a casual but efficient teaching style that makes the lessons fly by. Really a joy to work with. Thanks, Erfun! Before working with Erfun, tried a Manhattan Prep course and worked with another tutor, but my score didn't really budge. I knew I could do it, but that I'd need the best of the best, which is why I chose Erfun.
March 2026
Vouched for Erfun based on experience working together before Leland

5.0
Erfun's tutoring is efficient and perfectly tailored to your needs. I came to him feeling hopeless about the Quant, especially because I'd already taken a class. But he was able to dissect my weaknesses and develop a targeted plan that boosted my score into the 160s. I really appreciated his attention to detail, his emphasis on reasoning skills (this exam is about thinking, not math!), and the vast trove of study materials he has available. He's on the pricier end, but he's well worth it!
March 2026
Vouched for Erfun based on experience working together before Leland

5.0
Erfun helped me get over the hump in GMAT Verbal! I was so stuck on Critical Reasoning and felt like nothing I did worked. I tried classes, a bunch of books, and even another tutor, but I was plateauing and almost felt like giving up. Fortunately, I found Erfun and he taught me CR and RC in a refreshing, easy-to-understand way that helped me see quick and large gains. Because of his instruction I was able to break 85 in Verbal and 715 on the real thing!
March 2026
Vouched for Erfun based on experience working together before Leland

5.0
Erfun is the only GRE tutor you need! Not only is he incredibly knowledgeable, but also very flexible in his methods to match your learning style. I had 1 month to bring up my verbal score from a 155 to 164. Additionally, he helps you prepare mentally. It is through his guidance that I was able to keep calm through the experimental section and not let it unnerve me for the remainder of the exam. Thank you, Erfun!
March 2026
Vouched for Erfun based on experience working together before Leland

5.0
Erfun played a crucial role in assisting me to achieve a competitive GRE score. Given the plethora of options available, I was unsure of what and how to study, which left me feeling overwhelmed. Erfun's straightforward approach was exactly what I required. He assigned me daily homework, supplied all the essential materials, and elucidated the strategies and content in a coherent, rational manner that immediately clicked with me. He adeptly tailored the sessions to suit my requirements, demonstrating his genuine concern for my success. Thanks to his guidance, I surpassed 325 and will be enrolling at CBS in the autumn. I am grateful, Erfun!
March 2026
Vouched for Erfun based on experience working together before Leland
Joseph P scored 325 on the GRE

5.0
If you're on the fence, just go with Erfun. You won't regret it. He knows everything about the GMAT and teaches it in a way that really makes it click. I was having tons of issues on Quant and DI, and he developed a targeted, tailored plan of attack that really addressed my weak areas and helped me overcome them. With his help, I broke 700!
March 2026
Vouched for Erfun based on experience working together before Leland

5.0
Erfun is the best tutor EVER he is so so knowledgeable. He diagnosed my weaknesses, provided me with effective strategies, and it totally worked!! I improved my score from V: 165, Q: 156 to V: 167, Q: 163. I felt a LOT more confident with the quant concepts after working with Erfun. He is really really effective. We had abt 11.5 hours of tutoring total and my score improved enough for me to confidently apply Round 1 to the top business schools. Erfun really knows his stuff and is a true strategist. He diagnosed my weak spots and taught me strategies to master the test. Thank you, Erfun!!!!
March 2026
Vouched for Erfun based on experience working together before Leland
Monica V scored 330 on the GMAT
