G. Satheesh Reddy is an Indian aerospace scientist who served as the thirteenth chairman of the Defence Research and Development Organisation (DRDO) from 2018 to 2022.

He is also the chairman of the Governing Body of the Aeronautical Development Agency, and the Scientific Adviser to Raksha Mantri (the Minister of Defence, India).

Reddy was born in Mahimaluru, Atmakur, Nellore district, Andhra Pradesh.

As Director at RCI, he led the development of IR seekers, integrated avionics modules, and other innovative systems.

[9] He also oversaw India's first successful test of Prithvi Defence Vehicle Mark 2 Anti-Satellite (ASAT) missile (Mission Shakti).