Dr. Derek T. Dangerfield II is a prevention scientist at the Milken Institute School of Public Health, Washington, DC, USA, with expertise in sexual epidemiology, HIV/STI prevention, and life course theoretical approaches for sexual health promotion. His primary research promotes sexual health for U.S. Black gay and bisexual and has been funded by the National Science Foundation, the DC Center for AIDS Research, and the NIH. Currently, he is leading two NIH-sponsored studies to improve care outcomes among Black sexual minority men who are living with HIV. In the classroom, Dr. Dangerfield teaches Advanced Health Communication, focusing on how misinformation and disinformation affects U.S. sexual health disparities.