Jillian Ondreyka is a Dietitian with over 10 years of experience partnering with clients to achieve their nutrition goals. As a person with Hidradenitis Suppurativa, she became interested in how food can help calm inflammation in the body to encourage healing. She graduated from the University of Michigan with a Master of Public Health and Eastern Michigan University with a Bachelor of Science in Dietetics. She earned the Integrative and Functional Nutrition Certified Practitioner (IFNCP) credential and is a Certified LEAP Therapist (CLT). LEAP stands for Lifestyle Eating and Performance and is a patient-specific oligoantigenic diet based on the Leukocyte Activation Assay-Mediator Release Test (LAA-MRT®). Jillian began participating in dermatology research evaluating the effectiveness of the LEAP program in improving outcomes in HS in 2022. In 2025, she became a Certified Diabetes Care and Education Specialist (CDCES).