Current Nutrition Fellows

Nutrition FellowPhoto

Katherine Barrett, PhD

Postdoctoral Fellowship:  July 2020 - present

Mentor:  Susan L. Johnson, PhD

Research Topic:  Infant-caregiver feeding interactions, dietary intake, and growth.




Maigen Bethea, PhD

Postdoctoral Fellowship:  September 2020 - present

Mentor:  Darleen Sandoval, PhD

Research Topic:  Assessing whether vagal circuits contribute to the metabolic benefits of vertical sleeve gastrectomy.
Maigen Bethea

Catherine Cioffi Cohen, PhD, RD

T32 Research Fellowship:  September 2020 - present

Mentors:  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.

Stephanie Gilley, MD, PhD

T32 Research Fellowship:  July 2020 - present

Clinical Fellowship: July 2019 - June 2020

Nutrition Postdoctoral Fellowship: August 2018 - June 2019

Mentors: Kartik Shankar, PhD and Paul Rozance, MD

Research Topic: Longitudinal impact of intrauterine growth restriction and postnatal diet on the gut microbiome.


Madeline Keleher, PhD

Postdoctoral Fellowship: August 2020 - present; February 2018 - June 2019

Mentors: Katerina Kechris, PhD, and Kristen Boyle, PhD

Research Topic: Investigating how maternal obesity during pregnancy affects gene expression, methylation, and proteins in mesenchymal stem cells from infants' umbilical cords, and how this is linked to long-term health.


Jayne Martin Carli, PhD

AHA Fellowship: April 2021 - present

Mentors: Jim McManaman, PhD and Jenifer Monks, PhD 

Neonatal T32 Fellowship:  May 2020 - March 2021

Mentors: Jim McManaman, PhD and Jenifer Monks, PhD 

Nutrition T32 Fellowship:  July 2018 - April 2020

Mentors:  Jacob Friedman, PhD yr 1; Jim McManaman, PhD, yr 2

Research Topic: Molecular effects of maternal obesity and diabetes during and after pregnancy on lactation outcomes and infant adiposity.



Eunice Odiase, MD

Pediatric Gastroenterology T32 Postdoctoral Fellowship and Global Health Fellowship:  July 2020 - present

Mentor:  Nancy F. Krebs, MD

Research Topic:  Meat intake during early complementary feeding on growth, neurodevelopment, and gut health.

Meghan Ruebel, PhD

Postdoctoral Fellowship:  April 2020 - present

Mentor:  Kartik Shankar PhD

Research Topic:  Understanding how early nutrition impacts different physiological changes in the offspring, as well as the role of sex differences in the placenta leveraging cutting-edge transcriptomic approaches.

Meghan Ruebel

​Martine Saint-Cyr, MD

​Nutrition T32 Fellowship: July 2019 - present

Clinical Fellowship: July 2018 - June 2019

Mentors: Nancy F. Krebs, MD, and Edwin DeZoeten, PhD

Research Topic: Investigating the interactions between dietary nutrients and intestinal immunity in the pathogenesis and treatment of inflammatory bowel disease.


Stephanie Waldrop, MD

Clinical Fellowship: September 2020 - present

Mentor: Darcy Thompson, MD