Heidi Karner, MS, RDN, LDN provides medical nutrition therapy and diabetes self-management education to people with Type 1, Type 2, and gestational diabetes by performing nutrition assessments and implementing diet and lifestyle interventions. Karner counsels people with diabetes and creates goals for success in managing blood sugar levels and body weight in one-on-one and group settings. She also works to develop meal plans for people with diabetes based on dietary preferences and comorbidities. Karner also participates in the development and revision of Joslin educational materials and curricula.