Online GMAT Test Prep

Increase your GMAT Scores

Online GMAT Tutoring

A Great Test Prep Option

Online tutoring is an effective and convenient test prep option which lets us speak “face-to-face” as we view a shared whiteboard. Most of my online students have been surprisingly pleased with online tutoring for two reasons:

1: It’s efficient and convenient since no time is wasted getting to and from each lesson.

2: The format of online tutoring allows you to record the entire session and hence, you can replay any parts of the lesson that you wish to review at any time later.

Homework assignments are also sent at the end of each online class and payments can be made conveniently over the phone via any major credit card or online via Zelle, PayPal or Venmo.

Many of Dr. Donnelly's students are amazed how quickly they are able to pick up each topic once they are free from the distractions of the classroom environment. Whatever your tutoring needs, Doctor GMAT Prep has got you covered.

Contact Dr. Donnelly about GMAT Tutoring

For the past two decades, Stuart has helped hundreds of students increase their GMAT scores significantly. Many of his previous students have been admitted to some of the world's leading business schools including Wharton, NYU Stern, Harvard BS, London School of Economics, etc.

Click on the links below to learn more about why Stuart is considered to be, "One of the most experienced and qualified private GMAT tutors in the country".

Click on the links below to learn more:

  1. Outstanding academic credentials
  2. 18+ years of teaching experience
  3. Author of popular test prep books
  4. Dedicated tutor and test prep expert
  5. Excellent academic references
  6. Read Dr. Donnelly's reviews

What our students say

about Dr. Donnelly!

Best Private GMAT Tutor

5 star review

"My daughter is a conscientious student. She put in a good amount of time with a famous national prep service and did well on her first attempted gre. Nevertheless she wasn't satisfied. Within a short period of time working with Dr. Donnelly she had achieved a near perfect score.

Dr. Donnelly made a true difference and I appreciate his expertise and his dedicate. It is truly difficult to move from a 97% to a 99.97% within a few weeks but with Dr. Donnelly's help it was possible."

Jane V., Fort Washington, PA (online student).

Best Private GMAT Tutor

5 star review

“If you are willing to put in the time to work, Dr. Donnelly will make sure you succeed. He is incredibly easy to understand and patient.”

Robert K., Brooklyn, New York.

Best Private GMAT Tutor

5 star review

“Dr. Donnelly's way of teaching is very calm and effective. By teaching concepts in the simplest ways possible he managed to make it interesting and challenging at the same time.”

Maria M., Manhattan, New York.

Read More Reviews

Learn more about Dr. Donnelly

Academic Qualifications & Teaching Experience

Dr. Donnelly - Academic Qualifications

Oxford University

Throughout his academic studies, Dr. Donnelly consistently scored within the top 99th-percentile on his standardized tests. On completion of his honors degree in mathematics and physics, Dr. Donnelly was awarded a full scholarship from the Science and Research Council to study for his Ph.D. at England's highly prestigious Oxford University.

Under the guidance of world-renowned scientist Professor W. K. Morton, Dr. Donnelly received several research grants from Rolls Royce to continue his ground-breaking research on their supersonic jet engines. He was awarded his Ph.D. from Oxford University at the age of 25.

Dr. Donnelly - Teaching Experience

Dr. Donnelly teaching

After receiving his Ph.D. from Oxford University, Dr. Donnelly followed his love of teaching and embarked upon a full-time career in education. He lectured briefly at George Washington University, D.C. before accepting a four-year teaching position at the French International School, one of Hong Kong's most prestigious private high schools.

While in Hong Kong, Dr. Donnelly co-founded and directed Tutors of Oxford HK, the territory's premium tutoring service and test prep center. Tutors of Oxford HK's reputation for providing the very best tutors available helped the company to grow rapidly. At our peak, we employed and trained over forty highly-qualified tutors each academic year.

Upon his return to the United States in 1998, Dr. Donnelly accepted a lecturing position at Western Connecticut State University before moving to New York City to found Doctor GMAT Prep, Manhattan's leading private GMAT tutoring and test prep service. Many of his previous students have been admitted to some of the world's leading business schools including Wharton, NYU Stern, Harvard BS, London School of Economincs, etc.

Dr. Donnelly - Author of Popular Test Prep Books

Dr. Donnelly author

Based on his test prep expertise, Dr. Donnelly was head-hunted by Wiley publishing to write several test prep books for their highly popular "For Dummies" series. These critically acclaimed books are written in plain English and packed with tons of practical and easy-to-follow explanations. Both books have sold tens of thousands of copies and are considered the go-to test prep books for students preparing for these standardized tests.

Dr. Donnelly - Dedicated Test Prep Expert

Dr. Donnelly teaching

With over 18 years of private tutoring and teaching experience at all levels and several highly acclaimed test prep books to his name, Dr. Donnelly is considered by many leading educators to be "one of the most experienced and qualified private GMAT tutors in the country."

As a dedicated full-time private GRE tutor and test prep specialist, Dr. Donnelly has developed many unique problem-solving techniques that help his students to master even the most difficult of topics. These proprietary methods (unavailable elsewhere) show students the most efficient approach for dealing with each type of question that can appear on the exam.

Dr. Donnelly's tutoring methodology focuses on quality over quantity. After the initial assessment, each lesson becomes increasingly individualized as Dr. Donnelly adapts the curriculum to your particular GMAT-prep needs. Any weaknesses are quickly addressed to ensure that your conceptual and methodological foundations are solid. His patient step-by-step teaching style will help to build your confidence in each topic and greatly improve your test-taking skills.

Dr. Donnelly - Student Reviews

Dr. Donnelly reviews

Over the past two decades, Dr. Stuart Donnelly has helped literally hundreds of students to improve their GMAT scores significantly and gain acceptance into some of the world's leading business schools and universities.

Read Testimonials and Reviews from Dr. Donnelly recent GMAT students listed below. Please note that each student's surname has been replaced by his or her initial for privacy reasons. However, each testimonial can be verified and references are available upon request.

Dr. Donnelly - Teaching & Academic References

Dr. Donnelly reviews

Dr. Donnelly is considered by many leading educators to be one of the most experienced and qualified private tutors in the country. But don't just take our word for it. Read the references below from a few of those who have had the pleasure of working with Dr. Donnelly in the past. So now you can rest assured that when you hire Dr. Donnelly, you are getting the finest quality private tutoring available.

"I rate Stuart as an excellent teacher. He inspires the brilliant Physicists, but also encourages those students who may find certain topics quite difficult. His lessons are well structured...and it is obvious that he thoroughly enjoys his work In conclusion, Stuart is a talented and a dedicated teacher" - Mary G. Lawton, Head Mistress, French International School (Hong Kong).

"While at Oxford, Stuart undertook a good deal of teaching in tutorial situations; he clearly enjoyed this and was very successful at it. Stuart is strongly motivated to a teaching career and has demonstrated his capability of presenting lectures in a very clear and effective manner.” - Professor W. K. Morton, Director of Oxford University Computing Dept.

"Dr. Donnelly has shown himself sensitive to the needs of his students, responding to their questions, offering reassurances, when necessary, and challenging pupils to consider the subject matter in depth. I recommend him to you without hesitation." - E. H. Clements,Head of Mathematics, FIS.