Current Nutrition Fellows

Nutrition FellowPhoto

Brandon Osborn, PhD Lead Fellow 2023-24*

Nutrition T32 Research Fellowship: July 2022 - present
Matthew Haemer, MD, MPH
Research Topic
: To examine determinants of nutritional and cardiometabolic disparities among racial/ethnic groups and develop health promotion interventions that are culturally inclusive, improve diet quality, and prevent adiposity and insulin.

Brandon Osborn, PhD

Katie Bidne, PhD

Nutrition T32 Research Fellowship:  July 2022 - present
  Theresa Powell, PhD
Research Topic:  My research focuses on understanding the mechanisms of placental DHA inhibition of mTOR and the consequences on amino acid transport to the fetus.

Katie Bidne, PhD

Catherine Cioffi Cohen, PhD, RD

F32 Research Fellowship: May 2022 - present
Nutrition T32 Research Fellowship:
  September 2020 - May 2022
  Dana Dabelea, MD, PhD and Kartik Shankar, PhD
Research Topic: 
Inter-connections of diet quality, body fat distribution, and cardiometabolic disease risk factors in childhood/adolescence.


Tyler Cook, PhD

Nutrition T32 Research Fellowship: July 2023 - present
Postdoctoral Fellowship: 
November 2022 - June 2023
Darleen Sandoval, PhD
Research Topic
: Investigating neuronal mechanisms of post-bariatric hypoglycemia

Tyler Cook PhD

Kelly Fuller, PhD

F32 Research Fellowship: July 2023 – Present
Endocrinology T32 Research Fellowship:
July 2022 – June 2023
Darleen Sandoval, PhD and Melanie Cree, MD, PhD
Research Topic:  Understanding the molecular mechanisms of non-alcoholic fatty liver disease and hepatic responses to obesity treatment, with a focus on sex differences and the role of mitochondria



Kelly Fuller PhD

Emily Hill, PhD, RDN

AHA Postdoctoral Fellowship:  July 2023 - present
Nutrition T32 Research Fellowship:
August 2021 - June 2023
T32 Mentors: Sarah Borengasser, PhD, Katherine Sauder, PhD, and Nancy F. Krebs, MD 
T32 Research Topic:  Utilizing metabolomics, informatics, and bio-statistical analyses to examine linkages between laboratory data and clinically relevant outcomes in human nutrition.


Emilly Hill, PhD

Mohamed S. Kuziez, MD, FAAP

Clinical Fellowship: July 2023 - present
  Matt Haemer, MD, MPH


Manoel Lixandrao, PhD

Postdoctoral Fellowship:  October 2021 - present
r:  Kristen Boyle, PhD
Research Topic:  My research focuses on obesity, inflammation, cellular senescence, nutrition and, exercise physiology. I am interested in molecular biology, particularly RNA sequencing, immunohistochemistry, cell culture, protein and, gene expression.

Manoel Lixandrao

Colleen McKenna, PhD

Nutrition T32 Research Fellowship: September 2022 - present
Bryan Bergman, PhD
Research Topic
: Determining differences in the intermuscular adipose tissue secretome by obesity, sex, age, and location, and how the secretome impacts muscle inflammation and muscle contractile protein expression and diameter in vitro.

Colleen McKenna, PhD

Stephanie Waldrop, MD, MPH

​Nutrition T32 Research Fellowship: September 2021 - present
Clinical Fellowship
:  September 2020 - August 2021
: Sarah Borengasser PhD, Katherine Sauder, Phd, and Darcy Thompson, MD
Clinical/Research Interests:  My research interests include identifying potential epigenetic predictors of adiposity risk in childhood and the influence maternal 1-carbon nutrient intake may have on DNA methylation and adiposity in offspring.

Stephanie Waldrop, MD, MPH

Anthony Wang, MD

Nutrition T32 Fellowship: July 2023 - present
  Sarah Borengasser, PhD
Clinical Fellowship:
July 2022 - June 2023
  Darcy Thompson, MD, MP
Research Topic:

Anthony Wang MD PhD



*Each year faculty select a fellow who demonstrates exceptional leadership and dedication to nutrition research to promote collegiality and additional learning opportunities for the Section of Nutrition.

Past Lead Fellows:

  • Emily Hill, PhD, RDN, 2022-23
  • Meghan Ruebel, PhD, 2021-22
  • Madeline Keleher, PhD, 2020-21
  • Jayne Martin Carli, PhD, 2019-20
  • Traci Bekelman, PhD, 2018-19

Past Nutrition Fellows