Ralph D. Semmel | |
---|---|
Nationality | American |
Scientific career | |
Fields | Engineering, Computer Science |
Institutions | Johns Hopkins Applied Physics Laboratory |
Ralph D. Semmel is an American engineer and computer scientist. He became the eighth director of the Johns Hopkins Applied Physics Laboratory (APL) in Laurel, Maryland on July 1, 2010.[1] He announced that he will step down from his role in July 2025. [2]