Current Nutrition Fellows

Nutrition FellowPhoto

Emily Hill, PhD, RDN, Lead Fellow 2022-23*

T32 Research Fellowship: August 2021 - present
Mentor: Sarah Borengasser, PhD, and Nancy F. Krebs, MD 
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

Katherine Barrett, PhD

Postdoctoral Fellowship:  July 2020 - present
  Susan L. Johnson, PhD
Research Topic: 
Infant-caregiver feeding interactions, dietary intake, and growth.




Katie Bidne, PhD

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.



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Catherine Cioffi Cohen, PhD, RD

F32 Research Fellowship: May 2022 - present
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

Postdoctoral Fellowship: November 2022 -
Darleen Sandoval, PhD
Research Topic: Investigating neuronal mechanisms of post-bariatric hypoglycemia
Tyler Cook PhD

Megan Lawless, PhD

T32 Research Fellowship: October 2021 - present
Postdoctoral Fellowship:
June 2021 - September 2021
Susan L. Johnson, PhD
Research Topic:  Research will focus on factors that influence the development of food preferences and eating patterns in early childhood. Further, how facets of children’s diet relate to weight status and growth patterns.


Megan Lawless, PhD

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

Jayne Martin Carli, PhD

K99 Fellowship: August 2022 - present

Mentors: Primary: Jim McManaman, PhD,  Co-Mentors: Jenifer Monks, PhD;
    Kartik Shankar, PhD

AHA Fellowship: April 2021 - August 2022
Jim McManaman, PhD and Jenifer Monks, PhD 
Neonatal T32 Fellowship
:  May 2020 - March 2021
Jim McManaman, PhD, and Jenifer Monks, PhD 
Nutrition T32 Fellowship:
  July 2018 - April 2020
 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.



Colleen McKenna, PhD

T32 Research Fellowship: September 2022 -
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

Brandon Osborn, PhD

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

Stephanie Waldrop, MD, MPH

​Nutrition T32 Fellowship: September 2021 - present
Clinical Fellowship
:  2020-2021
: 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

Clinical Fellowship: 2022-2023
  Darcy Thompson, MD, MPH
Clinical/Research Interests:

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*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:

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

Past Nutrition Fellows