Gerbert (sometimes Herbert) Aleksandrovich Yefremov (, born March 15, 1933) is a Soviet and Russian scientist, design engineer and Professor of Technical Sciences.
Since 1984 (after the death of Vladimir Chelomey) - General Designer, from 1989 to 2007 - General Director, General Designer NPO Mashinostroyeniya. Directly involved or supervised the creation of
The recipient of state awards from the former Soviet Union and other countries (including the Padma Bhushan from India) co-founded the Indo-Russian joint venture BrahMos.
He played a leading role in the design and construction of several sensitive military missile systems and space stations. His identity and role in these projects was treated as a state secret for several years.