Chief residents

Headshot of Estherland Duqueney

Esther Duqueney, MD

Esther is of Haitian descent and was born and raised in Fort Lauderdale, Florida. She completed her undergraduate studies in Health Education and Behavior and earned her medical degree at the University of Florida. During residency at Penn, she was involved with Physicians for Advocacy and Community Engagement (PACE), where she worked to develop partnerships with local organizations and advance community-focused health initiatives. Esther is grateful for the opportunity to serve as an inpatient chief resident. She plans to pursue a career in Cardiology, with a particular interest in advanced heart failure. She hopes to leverage outcomes-based research and community-centered interventions to address cardiovascular health disparities. In her free time, you'll find her exploring Philadelphia's restaurant scene, taking Pilates classes with friends, enjoying live jazz with her husband, and spending time with her Goldendoodle, Luna.

Headshot of Gordon Farley

Gordon Farley, MD

Gordon was raised in the suburbs of Northvale, NJ. He earned his Bachelor of Arts in Chemistry from the College of the Holy Cross in Worcester, MA. After college, he returned to his alma mater, Regis High School, in Manhattan and taught high school chemistry prior to completing medical school at Rutgers Robert Wood Johnson. Gordon completed his internal medicine residency at the Hospital of the University of Pennsylvania and developed his interests in pulmonary critical care and medical education via the Medical Education and Leadership Track (MELT). Gordon is excited to serve as a chief medical resident alongside an incredible team of co-chiefs and program leadership. Outside of the hospital, you can find Gordon at a Phillies game, reading in Rittenhouse Square, or enjoying Philly's live music scene.

Headshot of William Hewlett

Hunter Hewlett, MD

Hunter was born in Texas but grew up moving throughout the US while his father served in the US Navy. He and his family eventually landed in Virginia, and he attended the University of Virginia for his Bachelor of Arts and Virginia Commonwealth University School of Medicine for his Doctor of Medicine. Hunter completed a residency in internal medicine at the Hospital of the University of Pennsylvania, where he participated in the Healthcare Leadership in Quality Track, research in sepsis phenotyping, and quality improvement work in transitions of care. He hopes to pursue a fellowship in Pulmonary and Critical Care Medicine, with the goal of becoming a medical intensivist focused on critical care delivery optimization. Hunter is honored to serve as one of the inpatient chief residents this year. Beyond his role at Penn, find Hunter and his fiancée joy-riding the SEPTA trolleys or taking an Indego bike to a new part of the city. He has loved living in Philadelphia, taking advantage of its walkability, history, and incredible restaurant scene.

Headshot of Daniel Lai

Daniel Lai, MD

Dan was born in Brooklyn, NY and was raised in Livingston, NJ. He completed his undergraduate studies at Swarthmore College where he majored with honors in Biology and Sociology/Anthropology and then obtained his medical degree from Weill Cornell Medical College. During his residency at Penn, he participated in the Medical Education Leadership Track (MELT) and developed an early interest in liver disease that has evolved into a passion for hepatology and medical education. He is excited to serve as the ambulatory chief resident for the 2026-2027 academic year. As chief resident, he enjoys teaching and mentoring residents in the ambulatory setting while continuing to care for his own longitudinal patient panel. He hopes to pursue a career as an academic hepatologist and clinician educator. Outside of medicine, Daniel can often be found running on the Schuylkill, playing ultimate frisbee, and attending musical theatre performances.

Headshot of Andrea Szabo

Andrea Szabo, MD

Andrea is from the Cleveland, Ohio area. She attended Boston University where she majored in Biomedical Engineering before returning back to Cleveland for medical school at Case Western Reserve University. She came to Philadelphia for her Internal Medicine-Pediatrics residency where she was part of the Global Health Equities Track, and she is honored to be the Penn-CHOP Med-Peds chief resident this year. She plans to pursue a career in adult and child primary care with emphasis on under-resourced populations. When she is not at work, you can find her walking her dog, trying out new fitness classes, or drinking a coffee in Rittenhouse park with her partner.

Headshot of Ava Wilson

Ava Wilson, MD

Ava grew up in Houston, Texas where she was raised by two physicians. She earned her Bachelor of Arts degree from Vanderbilt University before returning to Texas for medical school, receiving her M.D. from UT Southwestern Medical School. Ava completed internal medicine residency at the Hospital of University of Pennsylvania, where she developed her interests in cardiovascular medicine, women’s health, and point-of-care ultrasound. She hopes to pursue a career in cardiology with a particular focus in women’s health. Ava is excited to serve as an inpatient chief medical resident for the upcoming academic year and hopes to carry forward the supportive, enthusiastic culture of Penn IM. Outside the hospital, you can find Ava biking on the Schuylkill, browsing a bookstore, trying to talk her friends into seeing a horror movie with her, or catching an Amtrak to visit her sister in D.C.