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Ralph Semmel Director
Dr. Ralph D. Semmel is the eighth director of the Johns Hopkins Applied Physics Laboratory (APL). As director, Dr. Semmel leads the nation’s largest university affiliated research center, which performs research and development on behalf of the Department of Defense, the Intelligence Community, NASA, and other federal agencies. The Laboratory has more than 8,000 staff members who are making critical contributions to a wide variety of nationally and globally significant technical and scientific challenges.
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Learn more about Jerry KrillJerry Krill → Assistant Director, Science and Technology; Chief Technology Officer
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Learn more about Kristine FrohmanKristine Frohman → Head, Talent Services; Chief Diversity, Equity, and Inclusion Officer
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Learn more about Minh HuebnerMinh Huebner → Head, Business, Construction, and Facilities; Chief Financial Officer
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Andrew Mara Head, National Security Analysis
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Learn more about Michael MisumiMichael Misumi → Head, Information Technology Services; Chief Information Officer
