Dietary Team

Breana Janke is a Registered Dietitian who has been working for UCSD EDC since 2012. Breana earned her Bachelor of Science Degree in Foods and Nutrition from San Diego State University. Shortly after completing her undergraduate work, Breana was accepted into a dietetic internship program where she completed one year of supervised practice experience and subsequently earned her credential as a Registered Dietitian. Throughout her time at UCSD EDC, she has received experience working in all different areas of the clinic including the adult and adolescent programs, the intensive family treatment program, transitional aged youth, clinical nutrition management, and food service management. Breana has extensive experience providing nutrition treatment for all types of eating disorder diagnoses and truly values being able to provide individualized care to her patients. In April 2021, Breana received the opportunity to take a new role at the EDC and officially accepted the position as Director of Nutrition Services. Breana is very excited for this opportunity and the contributions she can make to the nutrition department, patient care experience, and EDC as a whole. In her free time Breana enjoys spending time outdoors enjoying nature, traveling to new places with her husband, and exploring new restaurants in the city.

Rebecca DeHamer has been in the fields of Exercise and Nutrition since 2003, focusing her specialization in Clinical Dietetics in 2015. She retains multiple certifications in Sports Dietetics, Exercise Is Medicine, Intuitive Eating counseling, and as both a Strength Coach and Personal Trainer. Rebecca studied Nutritional Science in graduate school, honing her cellular understanding of how food and movement play roles metabolically on all biological systems as we age in health or illness. She is passionate about pediatric growth and well-being, which hold most of her current focus within research. Rebecca is currently serving as Lead Adolescent Dietitian and Specialist in Athletics and Physical Activity at UCSD Eating Disorders Center for Treatment and Research.

Krissy Lines is a Registered Dietitian with the PHP/IOP adult program, a Certified Personal Trainer through the National Academy of Sports Medicine and co-leads the adult sport and movement groups.

She first discovered her love of the medical field from working as an Emergency Medical Technician in San Diego, CA. This career led her through kinesiology, nutrition, and counseling coursework. She earned both her Bachelors of Science and Masters of Science degrees in human nutrition from Texas State University and continued with her Dietetic Internship throughout Central Texas. Krissy has additional experience with nutrition research, including published manuscripts on the home food environment of young children. She is most passionate about helping patients return to their sport and build a positive relationship with movement.

Within her nutrition counseling, Krissy utilizes up-to-date peer-reviewed research to apply medical nutrition therapies for her patients. Further, she incorporates intuitive eating practices, individualized goal setting, and hands-on meal exposure techniques. Krissy is a proud advocate of the LGBTQIA and Health At Every Size (HAES) communities.

As a local San Diegan, Krissy loves spending her time at the beach. She also enjoys sports, hugging animals, traveling with her family, playing music, and painting!

Samantha Warsh is Registered Dietitian with the adolescent and pediatric programs. Samantha is originally from Michigan and earned her bachelor’s degree in dietetics from Michigan State University and completed her dietetic internship at Wayne State University in Detroit. Samantha has a diverse background in clinical and community nutrition, with previous work experience at a hospital, dialysis clinic and community outreach program. Samantha was interested in working with eating disorders early in her career and gained experience with this population during her education and internship. Samantha has always enjoyed working with children and teens and was excited to join the team at UCSD in 2016. In her spare time, Samantha enjoys traveling and exploring all things San Diego with her husband and dog.

Sophia Giovannetti is a registered dietitian working with the adolescent PHP and IOP programs. Sophia earned her Bachelors of Science in Dietetics, Nutrition, and Food Science from the University of Vermont. Sophia went on to be accepted to UC San Diego Health’s dietetic internship where she gained practical experience working in clinical, outpatient, and community settings. During this experience, Sophia spent time working and learning from UC San Diego Health’s Eating Disorder Center, which is when she found her passion for working with this population. Sophia has always enjoyed working with adolescents and their families, and was eager to join this team at the center. As a native North-Easterner, Sophia spends her free time exploring up and down the Pacific Coast!

Mackenzie Bowman is a Registered Dietitian and Certified Specialist in Sports Dietetics who joined the UCSD EDC team as Clinical Nutrition Manager in May 2023. She earned her Bachelor of Science degree in Dietetics with a minor in Psychology from the University of Delaware before completing her dietetic internship through Aramark. Mackenzie earned her Master’s Degree in Applied Nutrition and Physical Activity at Virginia Tech where she completed research on probiotic intake among student-athletes and its impact on gut health. She has experience at a variety of levels of care for eating disorder treatment, including inpatient, PHP, IOP, and OP. Mackenzie also has experience working in with collegiate athletics and received training as a Female Athlete Body Project facilitator. As an East Coast native, Mackenzie enjoys exploring Southern California in her free time. Her hobbies include yoga, reading, and trying new recipes.

Markayla Stroubakis is a Registered Dietitian Nutritionist who joined the EDC after working in inpatient pediatrics and management. She received her B.S. in Nutrition from UC Berkeley and completed her dietetic internship with UC San Diego. She is a native San Diegan and has a passion for working with adolescents and their families.

Georgianna earned her Bachelor's degree in Nutrition and Food Science and joined the Eating Disorders Center in March 2023. She works alongside the registered dietitians in the adolescent program and has become passionate about helping patients in their recovery process. When she is not at work she enjoys any outdoor activity and spending time with friends and family.

Miriam Cervantes is a San Diego native and mother of two children, Azul and Luis. Miriam’s experience working in the foodservice industry began at a young age when she started as a hostess for a restaurant in Old Town, San Diego. While she enjoyed being at the front of the house at the restaurant, she felt as if she was meant to do something more, so at the first opportunity, she took a position working in the kitchen. Miriam worked her way up from dishwasher, to pantry worker, to fryer, and so on, to eventually find her way as a line cook at Casa Bandini. After 2 years, she then moved into the hospitality industry where she worked in fine dining at the Sheraton Hotel for 13 years. Finally, she again changed industries and began her tenure in the healthcare industry at Rady Children’s Hospital for 11 years and now working for UCSD Eating Disorder Center. Miriam is proud of her work because cooking is her passion.