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Private GMAT Instructor

Scoring high on the GMAT significantly boosts your chances of being accepted into a top MBA program. Success requires thorough preparation—insufficient prep can lead to lower scores and fewer opportunities. One of the most effective ways to quickly raise your score and make the most of your time is by working with a private GMAT tutor.

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Why Choose

A GMAT Private Tutor?

Group GMAT courses are a common choice, but they often overlook individual learning needs. These courses typically split time equally across all sections, regardless of your strengths and weaknesses. In contrast, my one-on-one tutoring is fully personalized—I focus specifically on the areas where you need the most improvement. This targeted approach helps you maximize your score in the most efficient way possible.

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Our Coaching

Customized, Personalized and Individualized Coaching

MBA programs offer a powerful pathway to advance your business career, and a strong GMAT score is a key part of the admissions process. While preparing for the GMAT can be challenging, the right support makes the journey worthwhile. I offer personalized one-on-one GMAT tutoring and will be your dedicated coach and motivator every step of the way

With advanced degrees in engineering, computer science, and finance, I bring a strong academic foundation to my GMAT instruction. Leveraging this expertise, I teach math concepts specifically tailored to the GMAT. My background enables me to help students master the Quant section and achieve top score.

I design a customized GMAT curriculum for each student, using my own proven materials. From start to finish, I guide you through the process efficiently—making sure your time is well spent and your sessions are engaging. I carefully tailor my teaching to match your learning style and ensure consistent progress. Beyond mastering content, I focus on instilling a mindset geared toward success. By the end of your prep, you’ll be ready to take the GMAT with confidence and clarity.

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Bob Chaparala

With over 40 years of experience as a GMAT tutor and a former senior executive at a multinational company, I understand exactly what top MBA programs are looking for. The GMAT goes beyond testing just quantitative and verbal skills—it also measures:

  • Mental endurance
  • Logic
  • Clarity and quickness of thinking
  • Focus and concentration
  • Time management

With decades of GMAT teaching experience, I’ve personally developed many of the techniques I use. One of the key benefits of my tutoring is process simplification—I show you exactly where to focus and equip you with tools to navigate complex, time-consuming problems efficiently. This targeted approach enables my students to consistently score 700 and above on the GMAT.

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NYC Students

GMAT Tutor NYC Students

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Hear What Our Students Have to Say

Scott Brandon
Scott Brandon
I had an amazing experience with Bob Chaparala at GMAT Tutor NYC. From the very first session, Bob was incredibly thorough and professional. He took the time to understand my strengths and weaknesses, creating a personalized study plan that fit my needs perfectly. His teaching style is engaging and easy to follow, and he provided helpful strategies that made a huge difference on test day. Thanks to his expert guidance, I was able to increase my score significantly. If you’re looking for a top-notch GMAT tutor, Bob is definitely the way to go!
Obey
Obey
Bob is a master at breaking down GMAT logic and teaching you how to approach questions from the test-maker’s perspective. His method builds your skills gradually but effectively. I appreciated how organized he was with each session — always with a clear objective and focus area. He held me accountable to my study schedule and kept me motivated throughout the process. Under his guidance, I improved both my speed and accuracy. He was available for questions even outside of class hours, which really helped when I got stuck during practice. Bob’s sessions were the perfect mix of challenge and encouragement. I began to see results in just a few weeks. His calm, logical approach kept me grounded. I can say with confidence that Bob is one of the best GMAT coaches out there.
Diane Price
Diane Price
Bob’s method of GMAT preparation is a masterclass in efficiency and precision. He helped me understand exactly where I was going wrong and how to fix it. His knowledge of GMAT logic and structure is top-tier. I always felt like I was learning from someone who’s been through every scenario the test could throw at me. Bob keeps the sessions focused and challenging, but never overwhelming. He takes a personal interest in your growth, checking in between sessions and offering support. His tips for Integrated Reasoning and AWA were also incredibly helpful. Bob helped me develop a strategy for each section that I could rely on. He’s extremely reliable and always came to class fully prepared. His teaching gave me the edge I needed to hit my target score.
Emman Ali
Emman Ali
Working with Bob Chaparala was a game changer for my GMAT prep. He knows the test inside out and teaches with real purpose and clarity. Bob introduced me to efficient shortcuts and time-saving strategies that boosted my speed and accuracy. His sessions are engaging and interactive, never dull or confusing. He adapts his teaching style to match your learning preferences, which made a big difference for me. Bob encourages you to push beyond your comfort zone and holds you accountable. I especially valued how simple he made complex questions seem. Even outside of class, he was responsive and helpful whenever I had questions. Every lesson with him increased my confidence and control over the material. Bob’s professionalism, dedication, and support truly set him apart from other tutors.
Kavya Sri
Kavya Sri
Dr. Chaparala is incredibly dedicated and supportive and genuinely cares about his students' success. His tutoring process is structured and effective. Bob is extremely flexible, accommodating early morning and weekend sessions. Bob always ensured my time was productive. Bob’s tutoring approach and high-quality practice questions were invaluable. He showed me a completely new perspective on tackling questions. My score dramatically improved from 480 to 660. If you want to improve your GMAT SCORE in a short time, you can do it using Bob’s unique Questions and strategies.
Durga Prasad
Durga Prasad
Bob is an exceptional tutor, and every session with him is worth the investment. By following his guidance, you can significantly improve your quantitative score, aiming for 41-47 or higher. What sets Bob apart is his personalised approach—he works with only one student at a time, ensuring he fully understands your strengths and areas for improvement. He is incredibly patient and recognises that everyone absorbs complex math concepts at their own pace. Beyond just teaching the material, Bob equips you with effective test-taking strategies that I encountered on the actual GMAT. I couldn’t be more satisfied with my experience!
Nancy Lisa
Nancy Lisa
Bob Chaparala is hands down the best GMAT tutor I could have asked for. His expertise, patience, and tailored approach helped me improve my score by over 150 points! He not only helped me grasp complex concepts but also taught me time management and test-taking strategies that made a real difference. Bob’s insights and encouragement kept me motivated throughout the process, and his personalized feedback after each session helped me refine my skills. I highly recommend Bob to anyone looking to achieve a great GMAT score!
Julie Desizo
Julie Desizo
I can't recommend Bob enough as a private GMAT tutor. Thanks to his guidance, I ended up scoring in the 96th percentile. What sets Bob apart is how deeply he understands the test—not just the content, but the way the GMAT thinks. He teaches you how to break down problems and grasp the reasoning behind each question type. He’s incredibly patient, but also keeps you motivated and focused on your goals. On top of that, he’s genuinely hilarious and kind. He cares and puts in the time to make sure you're on the right track. Thank you, Bob!
Scott Brandon
Scott Brandon
I had an amazing experience with Bob Chaparala at GMAT Tutor NYC. From the very first session, Bob was incredibly thorough and professional. He took the time to understand my strengths and weaknesses, creating a personalized study plan that fit my needs perfectly. His teaching style is engaging and easy to follow, and he provided helpful strategies that made a huge difference on test day. Thanks to his expert guidance, I was able to increase my score significantly. If you’re looking for a top-notch GMAT tutor, Bob is definitely the way to go!
Obey
Obey
Bob is a master at breaking down GMAT logic and teaching you how to approach questions from the test-maker’s perspective. His method builds your skills gradually but effectively. I appreciated how organized he was with each session — always with a clear objective and focus area. He held me accountable to my study schedule and kept me motivated throughout the process. Under his guidance, I improved both my speed and accuracy. He was available for questions even outside of class hours, which really helped when I got stuck during practice. Bob’s sessions were the perfect mix of challenge and encouragement. I began to see results in just a few weeks. His calm, logical approach kept me grounded. I can say with confidence that Bob is one of the best GMAT coaches out there.
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Start your journey to top US business schools with tutoring from Bob Chaparala

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