Research Team






Research Team


Current Members

Member 1

Mélanie Guirette, PhD

Defended “Application of targeted metabolomics to reveal associations between carbohydrate quality and cardiometabolic risk factors” thesis summer 2024.

Member 2

Nick Siegel

Sr. Graduate Research Assistant (Fall 2023 – Present) | Didactic Program in Dietetics / Master of Science in Nutrition + Dietetic Internship ‘26 | Recipient of 2024 Sargent Research Grant

Member 2

Emily Albanese

Graduate Research Assistant (Fall 2024 – Present) | Master of Science in Nutrition + Dietetic Internship (Brigham and Women’s Hospital) ’26

Member 2

Lukas Shan

Undergraduate Research Assistant 2024 | BS Biochemical and Molecular Biology and Psychology ’26

Member 2

Shayna Gutfreund

Undergraduate Research Assistant 2024 | BS/MPH Dual Degree

For undergraduate and graduate students: The lab has a range of opportunities for students. Please email Dr. McKeown with your CV to express your interest.

Member Accomplishments

Congratulations to both Lukas Shan and Shayna Gutfreund for earning Undergraduate Research Opportunities Program (UROP) funding for the Fall 2024 semester. Lukas’s project is “Dietary Fiber and Cardiometabolic-Related Outcomes in Children: A Systematic Review and Meta-analysis” and Shayna’s project is “E Fiber Screener — Development and Testing of Novel e-Fiber Screener”

Accomplishment 1

Congratulations to Mélanie Guirette, who successfully defended her doctoral thesis on July 19th, 2024, titled “Application of targeted metabolomics to reveal associations between carbohydrate quality and cardiometabolic risk factors!” Dr. Guirette has now earned a PhD in nutritional epidemiology and data science.

Accomplishment 2

In June 2024, Nick Siegel attended the 2024 Microbiome Bootcamp hosted by Columbia University and Oregon State University. Siegel said the bootcamp gave him “the opportunity to network with fellow microbiome researchers from various fields and locations, worldwide,” and taught him “the necessary skills and background information to begin [his] dive into the field of the gut microbiome.”

Accomplishment 2

Congratulations to Shuhan Yang, who was awarded the Sargent College Professional Contribution Award! This award is given to students who show great potential in their chosen profession through scholarship, research, clinical experience, and promotion of one’s program to the community.

Accomplishment 2

In June 2023, Mélanie Guirette presented her talk, “Cross-Sectional Associations between Sweetened Beverage Consumption and Circulating Concentrations of Branched Chain Amino Acids in Five Population-Based Cohorts,” at the Metabolomics Conference in Niagara Falls, Ontario.

Accomplishment 2

In July 2023, Elizabeth Zalis (Crawford) presented her poster “Achieving public health recommendations among followers of self-identified popular dietary patterns” at the Nutrition Conference (American Society for Nutrition) in Boston, MA.

Past Members

Bella Scherer, MS

Graduate Research Assistant (2023-2024) | MS Nutrition ’24 | Dietetic Internship 2024

Dian Fu

Currently Pursuing an MPH at Harvard University | Undergraduate Research Assistant | UROP Award Recipient (Fall 2023) | BS Nutritional Sciences ’24

Shuhan Yang

Currently Pursuing an MPH at Johns Hopkins University | Undergraduate Research Assistant (Fall 2022 – Present) | UROP Award Recipient Spring ’23 and Spring ’24 | BS in Nutrition & Health ‘24 | Sargent College Professional Contribution Award recipient

Mariana Lozano

Graduate Research Assistant (Fall 2023) | MS in Nutrition + Dietetic Internship ’24

Varsha Krishnan

Graduate Research Assistant (Fall 2023) | MS in Nutrition + Dietetic Internship ’25

Riya Gopal

Undergraduate Practicum Experience (2023) | BS in Health Science ’23, MPH Candidate ’24

Elizabeth Crawford

Graduate Research Assistant for Dietary Fiber Project (Summer 2022 – January 2024) | DPD/MS/DI ’24

Katherine Newell

Graduate Research Assistant for Dietary Assessment Project | DPD/MS/DI ’23

Greta Schneider

Graduate Practicum Experience (May 2023 – Oct. 2023) | MPH Epidemiology & Biostatistics ‘24

Yunkeli Lin

Undergraduate Practicum Experience (Fall 2023) | Nutrition Sciences ’24

Surui Chuai

Undergraduate Practicum Experience (Fall 2023) | BS in Nutrition & Health ’24

Zoe Habershaw

Graduate Practicum Experience (Spring 2023) | DPD/MS/DI ’25

Aileen Indra

Undergraduate Practicum Experience (Fall 2022) | BS in Nutrition & Public Health ‘24

Kirsten Bohnenberger

Graduate Research Assistant for Dietary Fiber Project (Summer 2022) | DPD/MS/DI ‘23

Xamantha Tjakra

Website Designer (Fall 2022) | BS in Health Science ‘22, MPH Candidate ‘24