Texas Tech University

Marleigh Hefner, PhD, RD, LD, CNSC

Assistant Professor, Registered Dietitian, Nutrition and Metabolic Health Initiative
Nutritional Sciences

Email: marleigh.hefner@ttu.edu

Phone: 806-834-0679

Office: 277

Dr. Marleigh Hefner received her doctoral training from the TTU Nutritional Sciences Department with a focus on nutritional biochemistry and physiology. She graduated in May 2024 before transitioning to her role as assistant professor. She is passionate about dietetics and has practiced as a clinical registered dietitian nutritionist since 2021. Her focus in clinical practice is intensive care unit nutrition delivery across the lifespan. Within her research program, the Integrative Nutrition and Cardiometabolic Health (INCH) laboratory, Dr. Hefner values training and mentoring dietetics students to support the development of scientifically adept dietitians.

Marleigh Hefner

Education

2024 – PhD, Nutritional Sciences, Texas Tech University

2024 – MS, Nutritional Sciences, Texas Tech University

2020 – BS, Nutritional Sciences and Dietetics, Texas Tech University

 

Professional Licensing and Certification:

2024 – Certified Nutrition Support Clinician (CNSC), American Society for Parenteral and Enteral Nutrition

2021 – Registered Dietitian Nutritionist (RDN/RD), Commission on Dietetic Registration

2021 – Licensed Dietitian Nutritionist (LDN/LD), Texas Department of Licensing and Regulation

Courses

NS 4360: Introduction to Nutrition Research

NS 6370: Design of Clinical Trials in Human Nutrition

Research

Dr. Marleigh Hefner’s research focuses on the intersection between nutrition and metabolic health in a translational setting, including hormonal and genetic regulation of metabolism. She is interested in studying: 1) Dietary and metabolism-related interventions for obesity and its related conditions, such as metabolic dysfunction-associated steatotic liver disease, 2) Nutrition and body composition optimization strategies for patients receiving pharmacological obesity treatment, and 3) Sexual dimorphism of disease onset, progression, and treatment response for obesity, insulin resistance, and other obesity-related conditions. Dr. Hefner’s overall goal is to help progress the obesity paradigm beyond its current overly-simplistic state and leverage her background in clinical practice, basic science, and clinical nutrition research settings to conduct innovative, translational, and integrative nutrition research.

Research Areas: Nutrient metabolism, obesity, MASLD, PCOS, diet, energetics

Links

Publications: https://www.ncbi.nlm.nih.gov/myncbi/marleigh.hefner.1/bibliography/public/ 

Nutritional Sciences