Her research interests are in nutrition in the critically ill and endothelial dysfunction after hemorrhagic shock.

She has published over 150 peer-reviewed articles and has been continuously funded by the NIH for almost 15 years. In addition to her role in the AAST, she serves as committee chair for the American College of Surgeons Verification Review Committee of the COT and the Women in Surgery Committee and is past President-elect of the Shock Society. Dr. Kozar will also be the 2023 President of Western Trauma Association.