First year fellows
![Isaac Mayefsky, MD](https://pediatrichospitalmedicine.wustl.edu/files/2023/05/Isaac-Mayefsky-MD.jpg)
Isaac Mayefsky, MD
Medical school: Weill Cornell Medicine, New York, NY
Residency: St. Louis Children’s Hospital/Washington University in St. Louis, MO
Hobbies: Baseball, cooking, Seinfeld, Disney
Professional interests: Medical Education, QI, Improving Transition of Care Between In- and Out-Patient Settings
![William F. McComas, MD](https://pediatrichospitalmedicine.wustl.edu/files/2023/05/McComas-280x386.png)
William F. McComas, MD
Medical school: University of Arkansas for Medical Sciences: Little Rock, AR
Residency: St. Louis Children’s Hospital/Washington University in St. Louis, MO
Hobbies: Cooking, fishkeeping, film, running
Professional interests: QI, evidence based medicine, medical education
Second year fellows
![Spencer Lambdin, MD](https://pediatrichospitalmedicine.wustl.edu/files/2022/07/Lambdin-Spencer-White-Coat-Pic-280x386.jpg)
Spencer Lambdin, MD
Medical school: University of Missouri-Columbia
Residency: University of Missouri-Columbia
Hobbies: Overly complicated board games, Strategy games, Hiking/backpacking, Brazilian Jiu-Jitsu, attempting to become a gardener
Professional interests: Medical Education and QI
![Hafsa Lodhi, MD](https://pediatrichospitalmedicine.wustl.edu/files/2022/07/Hafsa-Lodhi-MD.jpg)
Hafsa Lodhi, MD
Medical school: University of Missouri-Kansas City
Residency: WashU/SLCH
Hobbies: Running, reading, drums (or learning how to!)
Professional interest: MedEd, Cardiology, Community Health