The University of Texas Medical Branch (UTMB) Aerospace Medicine Residency is pleased to welcome our Class of 2028. This year’s class includes five residents. Three new categorical residents are joining the program and two combined Emergency Medicine and Aerospace Medicine residents are advancing into the class.
Meet the Class of 2028

Marshall Byun-Andersen, MD
Dr. Andersen studied Physics at the Norwegian Institute of Science and Technology prior to receiving a Doctor of Medicine from the University Karlovy (Charles University) in the Czech Republic. He completed a combined Emergency Medicine/Family Medicine residency at Ochsner Louisiana State University Health in Shreveport, Louisiana. He has previously attended the UTMB Principles of Aviation and Space Medicine course and the NASA Aerospace Medicine Clerkship at the Johnson Space Center. He has lived in Norway, South Korea, Japan, and the United States. He is the recipient of multiple academic excellence awards, is an active member of the Aerospace Medical Association (AsMA) and the Aerospace Medicine Student and Resident Organization (AMSRO). He speaks Norwegian. His hobbies include spending time with family, reading, singing, and playing the piano.

Jennifer Fleischer, MD
Dr. Fleischer received a BSE in Bioengineering from the University of Pennsylvania and a Doctor of Medicine from the Geisel School of Medicine at Dartmouth. She completed an Emergency Medicine residency at Duke University in Durham, North Carolina. She has previously attended the UTMB Principles of Aviation and Space Medicine course and the NASA Aerospace Medicine Clerkship at the Johnson Space Center as well as the International Space University’s Summer Space Program. Additionally, she is a professional women’s basketball player and has lived and traveled abroad extensively while playing with teams based in Croatia, Israel, Italy, France, Slovakia, Belgium, Poland, Ukraine, and Russia. She speaks Hebrew. She is a member of AsMA and AMSRO and has her private pilot and instrument ratings.

Dwyer Roche, DO
Dr. Roche received a BS in Human Nutrition, Foods, and Exercise from the Virginia Polytechnic Institute and State University and a Doctor of Osteopathic Medicine from the Edward Via College of Osteopathic Medicine. He completed an Emergency Medicine residency at the Sunrise GME Consortium program in Las Vegas, Nevada where he served as Academic Chief Resident. He is currently completing a fellowship in Undersea and Hyperbaric Medicine from Duke University in Durham, North Carolina. He has previously attended the UTMB Principles of Aviation and Space Medicine course and the NASA Aerospace Medicine Clerkship at the Johnson Space Center. He speaks Spanish. His hobbies include hiking, mountain biking, and camping. He holds and open water SCUBA certification.

Clare McNerlin, MD
Dr. McNerlin received a BS in Human Biology from the University of California San Diego and a Doctor of Medicine from Georgetown University School of Medicine. She is one of the two inaugural Emergency Medicine/Aerospace Medicine combined residents. She has previously attended the NASA Aerospace Medicine Clerkship at the Johnson Space Center. She is an active member of the Aerospace Medical Association and previously served the role of Secretary on the Executive Board of the Aerospace Medicine Student and Resident Organization. She has her private pilot license. Her hobbies include reading, hiking, and backpacking.

Daniel Kaganov, MD
Dr. Kaganov received a BS in Chemistry from John Hopkins University and a Doctor of Medicine from Wake Forest School of Medicine. He is one of the two inaugural Emergency Medicine/Aerospace Medicine combined residents. He has previously attended the UTMB Principles of Aviation and Space Medicine course and the NASA Aerospace Medicine Clerkship at the Johnson Space Center. He is an active member of the Aerospace Medical Organization and Aerospace Medicine Student and Resident Organization. He speaks Russian and Spanish.
Thank you to our training community
Resident education is a team effort. UTMB Aerospace Medicine is grateful to the faculty, staff, and partners who support clinical training, operational experiences, mentorship, and scholarship across aviation and space medicine. Please join us in welcoming the Class of 2028 and helping them get off to a strong start!