She has spent the last 14 of her 20 years as a dietitian working as an oncology nutrition specialist, starting with the Seattle Cancer Care Alliance in 2004. In 2007, she came to MultiCare and began developing outpatient nutrition services for MultiCare Regional Cancer Center’s four clinics. She has authored chapters on palliative care nutrition for two textbooks and has lectured for the University of Washington’s graduate nutrition program. In addition, Kelay has been lecturing and writing about the use of cannabis for cancer symptom management since 2015. Kelay is also a past-chair of the Oncology Nutrition Dietetic Practice Group of the Academy of Nutrition and Dietetics.