
Clinical Fellows

Jessica Oehlke, MD
Adult Fellow

Stacey Elkhatib Smidt, MD
Pediatric Fellow

Jennifer So, MD
Adult Fellow

Robert Stowe, MD
Pediatric Fellow

Jason Yu, MD
Adult Fellow
Post-Doctoral Fellows

Jennifer Goldschmied, PhD
Research Fellow

Yoon Hee Chang
Research Fellow

Junxin Li, PhD
Nursing Research Fellow

Anjum Parkar, PhD
Research Fellow

Miranda Varrasse McPhillips, PhD, RN
Nursing Research Fellow

Ivan Vargas, PhD
Research Fellow

Olivia J. Veatch, MS, PhD
Research Associate
Alexa Watach, PhD, RN
Nursing Research Fellow
Alexa.Watach@uphs.upenn.edu

Ariel Williamson, PhD
Behavioral Sleep Medicine Fellow
Liyue Xu, MD
Research Fellow

Shirley Zhang, PhD
Research Fellow
Graduate Students
Sarah Ly
PhD Candidate, Neuroscience

Olga Tkachenko
PhD Candidate, Psychology