Current Pediatric Emergency Medicine Fellows

Third-Year Fellows

Roselyn Appenteng, M.D.


Medical School: Duke University School of Medicine
Residency: Vanderbilt Pediatric Residency Program
Why I Chose Hopkins: I appreciated the collegial interactions between faculty and the fellows, the incredible research support as well the opportunity to explore my interests within the laudable public health and specifically global health ecosystem at Hopkins.
Academic Interests: Trauma and EMS in global health; utilizing quality improvement methodology in the emergency department
Non-academic Interests: Travel, discovering new restaurants, trying new creative DIY projects

Roselyn Appenteng, M.D.

Amy Wu, M.D.


Medical School: University of Texas Southwestern Medical Center
Residency: University of Michigan
Why I Chose Hopkins: I chose Hopkins because of the clinical acuity, complexity of medical conditions and opportunity to care for patients from underserved populations. The faculty are passionate about their areas of interest; I felt that I could explore different areas within pediatric emergency medicine and find mentors easily in this supportive environment. I was excited about living and working within the Baltimore community.
Academic Interests: Medical education, injury prevention, advocacy
Non-academic Interests: Trying new restaurants, traveling, cooking with family and friends, medical dramas, foreign-language films

Amy Wu, M.D.

Second-Year Fellows

Folami N. Duncan, M.D.


Medical School: Meharry Medical College
Residency: Children’s National Hospital (Washington D.C.)
Why I Chose Hopkins: I chose Hopkins for multiple reasons- The top factor was the program’s dedication to trainee education and cultivating well rounded clinical leaders. Secondly, I was super impressed by the diverse research projects being led by PEM faculty members, specifically, the ongoing mental health research. I knew that the opportunity for mentorship by such an outstanding group would undoubtedly help nurture my personal academic interest and career development.
Academic Interests: Improving mental health services in both acute & non-acute settings, health policy, medical education, injury prevention and innovating healthcare delivery systems.
Non-academic Interests: Running, dancing, traveling, HGTV, skating and creating priceless memories with family & friends.

Folami N. Duncan, M.D.

Raquel Millet, M.D.


Medical School: Michigan State University College of Human Medicine
Residency: Sinai Hospital of Baltimore (Washington D.C.)
Why I Chose Hopkins: I chose Hopkins because of the passionate faculty and fellows, the numerous research opportunities, and the opportunity to work with learners from many backgrounds and at different stages of their careers. Having done my residency in Baltimore, I am excited to continue to work within this city and with medically underserved populations.
Academic Interests: Medical education, quality improvement, advocacy
Non-academic Interests: Baking, skiing, snowboarding, figure skating

Raquel Millet, M.D.

Ethan S. Vorel, M.D.


Medical School: The Warren Alpert Medical School of Brown University
Residency: The Pediatrics Residency Program at Children's Hospital of Philadelphia
Why I Chose Hopkins: I went into my virtual fellowship interview with Hopkins PEM remembering the lovely pre-COVID in-person interview day I had at Hopkins during my pediatrics residency application cycle 3 years ago. I loved the institution then and my time meeting with Hopkins PEM faculty and fellows virtually this past fall reminded me exactly why. It's the ideal environment with wonderful teachers, plenty of clinical acuity and complexity, and an atmosphere of warm collegiality. I can't wait to start my journey with new faces and challenges along the way!
Academic Interests: Point-of-care ultrasound
Non-academic Interests: All outdoor activities, sports, reading, and spending time with family and friends

Ethan S. Vorel, M.D.

First-Year Fellows

Sandra Al Tamimi, M.D.

Medical School: American University of the Caribbean School of Medicine
Residency: Johns Hopkins All Children's Hospital Pediatric Residency
Why I chose Hopkins: After having completed my away elective at the Hopkins peds ED during residency, I immediately fell in love with the variety and diversity of the patient population seen at Hopkins. On top of that, the faculty and fellows were extremely knowledgeable and welcoming. I knew I wanted to join this wonderful environment and I am excited to work alongside them and with this community! 
Academic interests: Medical education and social determinants of health 
Non-academic interests: Travel, learning new languages, reading and spin classes

Sandra Al Tamimi, M.D.

Jennifer (Jenn) Lawson, MD

Medical School: University of Connecticut School of Medicine
Residency: Yale Pediatrics Residency Program
Why I chose Hopkins: I chose Hopkins because of the wonderfully genuine conversations I had with each person on my interview day. Fellows and faculty alike were engaged in getting to know my academic and non-academic interests. I loved that I was able to talk about my residency research and Top Chef in the same conversation. It's clear that the program is here to support individualized learning. And, with the wealth of Hopkins resources, anything seems possible in the next three years!
Academic Interests: Injury prevention, child abuse, adolescent and reproductive health
Non-academic Interests: DIY house renovation, Buffalo sports, most cooking or true crime shows, board games (particularly Wingspan), researching how to take care of a dog since I'm getting one shortly!

Jennifer (Jenn) Lawson, MD

Joy Piotrowski, MD

Medical School: University of Hawaii - John A. Burns School of Medicine
Residency: Brown Pediatrics Residency Program - Hasbro Children's Hospital
Why I chose Hopkins: I chose Hopkins because of the program leadership’s dedication to optimizing trainee education and creating a safe and supportive learning environment. I was also so impressed with the robust and diverse research happening in the department, and how passionate the faculty was about mentorship, as well as pursuing one's interests outside of just clinical medicine.
Academic Interests: Global Health, health equity, medical education, and point-of-care ultrasound
Non-academic interests: Reading, hiking, painting, and eating tasty food with friends and family

Joy Piotrowski, MD

Program Alumni

Recent graduates have sought out both academic and community PEM positions. Some graduates have pursued additional fellowships in POCUS, sports medicine, and toxicology prior to obtaining a faculty position.