Senior Editors



Tao Le, MD, MHS

Associate Clinical Professor of Medicine and Pediatrics

Chief, Section of Allergy and Immunology

Department of Medicine

University of Louisville

Step 1 QmaxJames A. Feinstein, MD
Clinical Instructor, Section of General Pediatrics
The Children's Hospital Colorado
Research Fellow
Primary Care Research Program
University of Colorado School of Medicine
Step 2 CK and Step 3 QmaxLauren de Leon, MD
Department of Internal Medicine
Rhode Island Hospital
First Aid Step 1 Express Jeffrey Hofmann
Alpert Medical School of Brown University
MD/PhD Candidate
First Aid Step 1 Flash Facts Matthew Sochat, MD
Department of Internal Medicine
The Warren Alpert Medical School of Brown University

Tao Le, MD, MHS

Tao developed a passion for medical education as a medical student. He currently edits more than 15 titles in the First Aid series. In addition, he is the founder and editor-in-chief of the USMLE-Rx online video, test banks, and flash cards series and a cofounder of the Underground Clinical Vignettes series. As a medical student, he was editor-in-chief of the University of California, San Francisco Synapse, a university newspaper with a weekly circulation of 9000. Tao earned his medical degree from UCSF in 1996 and completed his residency training in internal medicine at Yale University and his allergy and immunology fellowship training at Johns Hopkins University. At Yale, he was a regular guest lecturer on USMLE review and an advisor to the Yale School of Medicine curriculum committee. Tao subsequently went on to cofound Medsn, a medical e-learning company, and served as its chief medical officer. He is currently section chief of adult allergy and immunology at the University of Louisville. He enjoys travel, movies, good food, and spending time with his family.


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James A. Feinstein, MD

James is a practicing pediatrician and pediatric health services researcher. He attends at the Special Care Clinic at The Children's Hospital Colorado, where he provides care to children with complex medical issues and special healthcare needs. He is also a research fellow at the University of Colorado School of Medicine, where he is obtaining a graduate degree in biostatistics. His research is focused on improving the outpatient care delivered to children with complex, chronic illnesses. He attended Dartmouth College, the University of Pennsylvania School of Medicine, and completed residency at the Children's Hospital of Philadelphia. Outside of medicine, James writes ( and he absolutely loves to run up (and then down) various Rocky mountains.

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Lauren de Leon, MD

Lauren earned her medical degree at the Alpert Medical School of Brown University. She is finishing her internship year in internal medicine and loving it. She enjoys traveling, cooking, and searching for the perfect dumpling. In terms of medical career, Lauren is debating between gastroenterology and palliative/end of life care.


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Jeffrey Hofmann

Jeff is in Brown University's MD/PhD program, completed his PhD on the molecular biology of aging in 2014, and is looking forward to earning his MD in 2016. He has worked on and led a variety of First Aid projects beginning in 2009, including First Aid Flash Facts, First Aid for the USMLE Step 1, and the First Aid Step 1 Express video course. In addition to biology and medicine, Jeff loves biking, playing the guitar, and spending time with friends and family.


Matthew Sochat, MD

Matthew is currently an internal medicine intern at Brown University. He will be moving to New York City during the summer of 2014 for neurology training at New York University. In his spare time, Matthew enjoys skiing, cooking/baking, traveling, the company of friends and loved ones, and coming up with helpful puns and mnemonics.

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