Ralph Semmel to Head Johns Hopkins Applied Physics Lab

Ralph Semmel to Head Johns Hopkins Applied Physics Lab

The Johns Hopkins University Applied Physics Laboratory (APL) announced today that Ralph Semmel will be the new APL Director, replacing Ralph Roca. Dr. Semmel has been with APL for 23 years, and for the past five headed the Applied Information Sciences Department. He is the eighth director in the Lab’s 68-year history.

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