2009-2014 Secretary, DoS/ Chairman ISRO, GoI
2015-2018 Secretary DoS/Chairman ISRO, GoI
2018-2022 Secretary, DDR&D & Chairman, DRDO
2023 IEEE President
2025 IEEE President
2021-2022 Chair, IEEE Industry Engagement Committee
2026 IEEE President
2026 IEEE AP-S President
2023, IEEE EMC Society President
IEEE Division IX Director
IEEE Division V Director
IEEE Division VI Director
IEEE R10, Director
Northrop Grumann
2025-2025 IEEE AESS President
2022-2023 IEEE AESS President
2025 President, IEEE MTT-S
IEEE VP-TAB
JHU, USA
Director, CSIR-NAL
DS & Director, HSFC
Director, MCF, ISRO
President, SIA-India & Chairman & MD Ananth Technologies Ltd
Head of Airbus Defence & Space, India & South Asia
DS & Former Director, URSC
DS & Former Director, SAC
DS & Former: AD, URSC and VC-DIAT
DS & Former Director, NRSC, ISRO
Director, IIM Mumbai
VC, Gati Shakti Vishwavidyalaya
Former SVP& Global Head, Partner Ecosystem & Alliances, TCS
DS & Former AD, URSC
OS & Former AD, URSC
Director, SCL, Chandigarh
OS & Former AD, LRDE
DS & Former Director, LRDE
CU, MGA Chair, IEEE AP-S
OS & Former Director, DLRL, DRDO
Director, IIITB & Chair, IEEE India Council
Director, IIITM Gwalior
Director, IIITDM, Kanchipuram
Director, NCRA, TIFR, DAE
Director, CBR, IISc
OS & Former Director, ISTRAC, ISRO
2002 IEEE MTT-S President and VC, IEEE Conference Committee
2022-2023 President IEEE TEMS
Director- Promotion, IN-SPACe, DoS, GoI
DD, ICA, URSC, ISRO
President, World Class-Telecommunincations
DS & Director, ADA
2025, President, IEEE AP-S
2025 President, IEEE AP-S
2025 President IEEE MTT-S President
Director, IEEE Division VIII