John Ridderhof, DrPH, HCLD (ABB)
Associate Director, Laboratory Integration Unit
Center for Surveillance, Epidemiology, and Laboratory Services
Office of Public Health Scientific Services
Dr. Ridderhof began his career as a microbiologist in the Virginia State Mycobacteriology and Mycology Laboratory. After attending graduate school at the University of North Carolina at Chapel Hill’s School of Public Health (UNC-SPH), he completed an American Society of Microbiology sponsored post-doctoral fellowship in clinical and public health microbiology at the Medical College of Virginia and Virginia Commonwealth University. He then served as the Deputy Director of the Delaware State Public Health Laboratory.
Dr. Ridderhof came to CDC in 1992 as Chief of the Laboratory Standards Branch of the Division of Laboratory Services (DLS) with responsibilities for developing and supporting Clinical Laboratory Improvement Amendments laboratory regulations. He went on to serve as an assistant director within DLS with responsibilities for coordinating and conducting all mycobacteriology laboratory training, performance evaluation, and research activities, in addition to coordinating the Clinical Laboratory Improvement Advisory Committee. He later became Chief of the Laboratory Systems Development Branch (LSDB) where he collaborated with the World Health Organization (WHO) and others to strengthen international laboratory activities and coordinate the National Laboratory Systems initiative.
After serving as Chair of WHO’s Stop TB Partnership Global Laboratory Initiative, Dr. Ridderhof was appointed as the Associate Director for Laboratory Science for the National Center for Preparedness, Detection, and Control of Infectious Diseases. In 2010, he served as Senior Advisor for Global Health in the Office of Infectious Diseases. Dr. Ridderhof then became a senior advisor in the Laboratory Science Policy and Practice Program Office, leading development of the Laboratory Efficiencies Initiative (LEI) in partnership with the Association of Public Health Laboratories.
Dr. Ridderhof received a Bachelor of Science degree in biology from Virginia Commonwealth University. He holds a master’s degree and a doctorate degree in public health laboratory practice from UNC-SPH. He also is certified as a High Complexity Laboratory Director (HCLD/ABB).
- Page last reviewed: November 1, 2012
- Page last updated: November 2, 2012
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