is a clinical professor of infectious diseases, population, and public Health sciences at the Keck School of Medicine of the University of Southern California. With over twenty-seven years of experience, he has spearheaded groundbreaking research in preventing and managing infectious diseases, including HIV and STIs. Dr. Klausner is a frequent advisor to the CDC, NIH, and WHO. As a highly sought-out mentor, Dr. Klausner has positively impacted the training of numerous fellows, residents, and medical and public health students.