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Ridderhof - Leadership

Photo: John Ridderhof, DrPH, HCLD (ABB)

John Ridderhof, DrPH, HCLD (ABB)

Associate Director, Laboratory Integration Unit

Division of Laboratory Systems (DLS)

Center for Surveillance, Epidemiology, and Laboratory Services

Office of Public Health Scientific Services

Dr. Ridderhof is Senior Laboratory Advisor at the Division of Laboratory System in the Center for Surveillance, Epidemiology, and Laboratory Services (CSELS) where he leads activities supporting the sustainability of the public health laboratory system with a key external partner the Association of Public Health Laboratories (APHL).  Dr. Ridderhof started his CDC career in the Division of Laboratory Systems. In particular, from 2000 to 2007, he was Chief of the Laboratory Systems Development Branch, where he coordinated global HIV, TB, and other training and guidance activities, and the National Laboratory Systems initiative. In 2007, he was appointed as Associate Director for Laboratory Science for NCPDCID, and in 2010 he served as senior advisor for global health for the Office of Infectious Diseases.   Dr Ridderhof came to CSELS (formerly OSELS) to help direct the Laboratory Efficiencies Initiative that led to multiple national activities around workforce, regional networks, laboratory informatics, and a national test directory. Key roles have included chairing the Stop TB Partnership Global Laboratory Initiative with WHO and Chairing the Joint Commission, Laboratory Professional and Technical Advisory Committee. Prior to joining CDC, he worked as a microbiologist in the Virginia Division of Consolidated Laboratory Service, and later as deputy director of the Delaware state public health laboratory.  

Dr. Ridderhof holds masters and doctorate degrees in Public Health Laboratory Practice from the University of North Carolina, Chapel Hill, and certification as High Complexity Laboratory Director (ABB).

Dr Ridderhof has a special interest in developing guidance, tools, and systems that are comprehensive and cross cutting to encompass and complement many separate programmatic efforts. He has co-authored more than 30 peer review publications, including many national and global training tools and guidance documents.