MMI Leadership Team


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Cailin R. Heinze, VMD, MS Diplomate ACVN

Chief Academic Officer

Dr. Heinze is the Chief Academic Officer for MMI. She received her DVM from the University of Pennsylvania School of Veterinary Medicine in 2004. After veterinary school, she worked in private small animal/exotics practice for a few years on the east coast before moving to California to pursue a residency in clinical nutrition at UC Davis.

Dr. Heinze completed her residency and then earned a Master’s degree in Nutritional Biology at UC Davis prior to joining the faculty of the Cummings School of Veterinary Medicine at Tufts University in January 2011.

Dr. Heinze is a diplomate of the American College of Veterinary Nutrition. Dr. Heinze taught biochemistry and clinical nutrition and ran the Clinical Nutrition Service at Tufts until June 2019. She currently holds the title of Adjunct Associate Professor at the Cummings School.

Her professional and research interests include nutritional management of renal disease, long chain fatty acids, and cancer nutrition. In her leisure time, Dr. Heinze enjoys DIY projects, dressage, and gardening.


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Maria Guillily

Instructional Designer

Dr. Guillily is the Instructional Designer for MMI. She received her PhD in Pharmacology and Biomedical Neuroscience from Boston University in 2011. Following her degree program, she worked as an undergraduate instructor in courses such as Biological Concepts and Anatomy and Physiology.

Dr. Guillily is excited about the potential of E-Learning to modernize education. She has completed graduate level training in E-Learning and Online Teaching and an Instructional Design Mastery Series. She co-facilitated a graduate course entitled Instructional Design Strategies and Assessment Methods and has built a site dedicated to E-Learning and STEM education.

Her professional and research interests include teaching science online, instructional design theory, design and development of assessment methods, and graphic design. In her leisure time, Dr. Guillily enjoys yoga, biking with her family, and hiking.


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Beth A. Harrison, BBA

MMI Program Administrator

Ms. Harrison holds a bachelor’s degree in business administration from Baker University. She is responsible for the day-to-day activities and financial reporting for MMI and works with the veterinary schools that MMI services to coordinate scheduling of teaching activities as well as ensuring that all educational materials are up-to-date and arrive on schedule. She interacts with MMI faculty, the other members of the MMI Leadership Team, and the Board of Directors to coordinate meetings, handle logistics, keep program records, and many other integral functions!

Previously, Ms. Harrison has experience with a number of non-profit groups, having held various positions at organizations including Kansas Home Care Association (Business Manager/Membership), American Academy of Veterinary Dermatology (Executive Assistant, financial management, membership, coordinated annual meetings and proceedings), Association of Community Mental Health Centers of Kansas, Inc. (Administrative Director/Operations Manager) and the Comparative Gastroenterology Society (Financial Management/Membership).

In her leisure time, Ms. Harrison enjoys spending time with family and friends, traveling, hiking, and kayaking.



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