About GRE Instructor

Our History

GRE Instructor was established to meet the growing demand for GRE exam preparation. Our roots lie in GMAT tutoring, which has been the primary B-school test for decades. Given the strong similarities between the GMAT and GRE, we successfully adapted our resources to cater to GRE preparation as well.

30+
Years of Experience
1000+
Students Helped
90th Percentile
Target Score Achievement

Founder: Dr. Bob Chaparala

Dr. Bob Chaparala

Dr. Bob Chaparala brings a wealth of experience to his role as a tutor. Prior to dedicating himself full-time to tutoring, he held executive positions including CEO, Program Director, Program Manager, and Consultant for numerous Fortune 500 companies.

His academic credentials are equally impressive, boasting a Master's degree in Mechanical Engineering, a Ph.D. in Philosophy, an MBA, and a Master's in Applied Mathematics, along with various other certifications that represent countless hours of hard work and preparation.

Professional Experience

  • Over 40 years of GMAT tutoring experience
  • Over 17 years of experience in SAP configuration
  • Mentoring and preparing students for Portfolio, Program, and Project Management Professional exams by PMI
  • 25 years of Project/Program/Portfolio Management experience
  • 5 years of Aerospace & Defense experience

Education

  • Master's in Mechanical Engineering
  • Ph.D. in Philosophy
  • Master of Business Administration (MBA)
  • Master's in Applied Mathematics
  • Various SAP and Project Management certifications

Certifications

  • PfMP (Portfolio Management Professional)
  • PgMP (Program Management Professional)
  • PMP (Project Management Professional)
  • Certified Scrum Master – Scored 100%
  • Six Sigma Master Black Belt – Scored 100%
  • Various SAP certifications with high scores