USMLE Writers

Pastest is a global leader in medical test preparation, used by students in over 190 countries. We have been helping medical students and doctors maximize their performance in critical exams for over four decades.

Our USMLE Step 1 writing faculty comprises physicians who are experts in their fields, as well as high performing students from leading U.S. medical schools such as the Yale School of Medicine, the Perelman School of Medicine at the University of Pennsylvania and the University of California, San Francisco. Our writers have been “in the trenches” and know exactly what is needed to ace the Step 1 exam.

Our rigorous quality control process means that all questions and explanations are vetted by expert editors including practicing physicians and educators with intimate knowledge of the USMLE exam.

Meet our team 

  • Zaid Alirhayim MD, Writer
    Interventional Cardiology, OUHSC
  • Karuppiah Arunachalam MD
    Editor, Clinical Assistant Professor, Alpert Medical School, Providence
  • Mohamed Awad MD, Writer
    Rush University School of Medicine
  • Mark Barry MD, Writer
    Resident Physician in General Surgery, UCSF
  • Doug Bernstein MD, Media Contributor
    Clinical Instructor, Yale School of Medicine
  • Daniel DiCapua MD, Media Contributor
    Assistant Professor of Neurology, Yale School of Medicine
  • Robert Elder MD, Media Contributor
    Assistant Professor, Department of Pediatrics, Yale School of Medicine
  • Trisha Fortin MD, Writer
    Lewis Katz School of Medicine at Temple University
  • Diana Hristova MD, MS, Editor
    Assistant Professor, Department of Radiology, Michigan State University
  • Faisal Islam MD, Writer
    NEI Master Psychopharmacologist, New York
  • Kevin Jackson MD, Writer
    Perelman School of Medicine, University of Pennsylvania
  • Hatem Kaseb MD, Editor
    Resident, Departments of Lab Medicine & Pathology, Yale School of Medicine
  • Edward Kogan MD, Writer
    Internal Medicine Resident, NYU
  • Theofanis Kollias MD, Writer
    SGU Grenada
  • Brone Lobichusky MD, Writer
    Lewis Katz School of Medicine at Temple University
  • Joshua Olson MD, Writer
    University of Minnesota Medical School
  • Andrew Plummer MD, Writer
    Resident Physician, Department of Ophthalmology, University of Missouri
  • Armeen Poor MD, Editor
    Fellow, Division of Pulmonary, Critical Care & Sleep Medicine, Icahn School of Medicine at Mount Sinai
  • Paul Rizk MD, Writer
    UT Southwestern Medical Center
  • Lauren Stone MD, Writer
    Lewis Katz School of Medicine at Temple University