Dr. Maryanne Murphy earned dual Bachelor of Science degrees in Animal Sciences and Biological Sciences from Rutgers University. She went on to achieve her Doctor of Veterinary Medicine (DVM) from Iowa State University.

Following her DVM, Dr. Murphy completed a rotating internship at Fifth Avenue Veterinary Specialists in New York City. She then pursued a clinical nutrition residency and a PhD at the University of Tennessee, focusing her research on energy metabolism and satiety in both lean and obese dogs. Dr. Murphy worked as a clinical nutritionist at Red Bank Veterinary Hospital in New Jersey before transitioning back to academia at the University of Tennessee in 2016. Currently, she serves as the Chief of the Veterinary Nutrition Service at UT and continues to actively see patients, with particular interests in obesity prevention and treatment as well as dietary management of gastrointestinal disease. 

Committed to promoting and expanding the specialty of veterinary nutrition, Dr. Murphy mentors and trains veterinarians aspiring to become board-certified veterinary nutritionists. She served as the final President of the American College of Veterinary Nutrition (ACVN), with an instrumental role in integrating ACVN into the American College of Veterinary Internal Medicine (ACVIM). Subsequently, she became the inaugural President of the Nutrition Specialty within ACVIM, leveraging the larger organization's ability to foster closer clinical and research collaborations while increasing awareness about the critical role nutrition plays in veterinary medical care. Dr. Murphy continues to serve ACVIM with roles related to the Nutrition Specialty Examination. 

A major professional interest for Dr. Murphy is veterinary nutrition education. Through her extensive work with patients, veterinarians, veterinary organizations, and research endeavors, she strives to elevate standards in veterinary care by advancing nutritional science.