Alex Crosby, MD, MPH

Chief Medical Officer, Division of Injury Prevention


Areas of Expertise

  • Epidemiology and prevention of suicidal behavior
  • Epidemiology and prevention of youth interpersonal violence
  • Health disparities and inequity
  • Development and evaluation of surveillance systems
  • Community preventive services

Alex Crosby, MD, MPH, serves as the Chief Medical Officer in the Division of Injury Prevention in the National Center for Injury Prevention and Control (NCIPC). His work involves descriptive and analytic research and community technical assistance in the prevention of self-directed violence, interpersonal violence among adolescents, firearm-related injuries, and assault among minorities.

Dr. Crosby began his career at CDC in the Epidemic Intelligence Service working on the epidemiology of violent injuries. In the Division of Violence Prevention he served in a variety of capacities, including Team Leader for the Youth Violence and Suicide Prevention Team, Mortality Surveillance Team leader of the Surveillance Branch, and Branch Chief of the Surveillance Branch. During his career, he has responded to numerous public health emergencies and led investigative teams, addressing adolescent suicide clusters, civil unrest, school-associated violence, sniper attacks, firearm-related injuries due to celebratory shooting, and the public health response to Hurricane Rita in the Gulf Coast.

Dr. Crosby received his BA in chemistry from Fisk University in Nashville, his MD from Howard University College of Medicine in Washington, D.C. and his MPH in health policy and management from Emory University School of Public Health in Atlanta, Georgia. He completed two residencies, the first in family practice at Howard University Hospital, the second in general preventive medicine and public health with the Morehouse School of Medicine and Georgia Division of Public Health.

He has over 100 peer-reviewed publications, government publications, and textbook chapters. He has made numerous presentations at international, national, state, and local conferences and meetings, and has received many awards for his work in public health and volunteer service. In addition to his work at CDC, he is an adjunct faculty member in the Department of Community Health and Preventive Medicine at the Morehouse School of Medicine and lectures at Emory University’s Rollins School of Public Health.