Dr. Parthasarathy is an internationally recognized scientist for his work in the area of atherosclerosis. As one of the originators of the oxidative hypothesis of atherosclerosis, he is credited with the co-discovery of oxidized low-density lipoprotein (ox-LDL) and has published extensively on oxidative stress in chronic diseases including atherosclerosis and endometriosis. He has published over full-length 225 publications and has authored a book on modified lipoproteins. He holds several patent rights and has been continuously funded by NIH for over 20 years. He is one of the highly cited authors and has trained over 200 scientists from around the world. He has held endowed positions in many universities and currently holds the Florida Hospital endowed chair in cardiovascular sciences at the University of Central Florida.