She has over 10 years experience in the renal and clinical dietetics field. She was one of the renal dietitians at the Peninsula Nephrology Inc., in San Mateo, CA, currently a division of Satellite Healthcare, and has served as a Principle Investigator for two research studies that examined the ability of heme-iron-polypeptide to sustain response to Recombinant Erythropoietin in both hemo and peritoneal dialysis patients. She has presented these and other studies she has been involved in at many national conferences, including National Kidney Foundation, American Dietetics Association and Gerontological Society of America. Dr Ghaddar has received research funds, grants or contracts from the American University of Beirut Research Board. Additionally, Dr Ghaddar is associated with the Kidney Nutrition Education & Life Improvement (K/NELI) study funded by the American Univesity of Beirut.