Sunil Kumar Kalidindi

Chief Executive Officer & Executive Director

Sunil Kumar Kalidindi brings a combination of engineering insight, financial discipline, and board-level leadership to his role as Executive Director and Chief Executive Officer of Sigma Advanced Systems. 

A member of the Board since mid-2022, he plays a key role in shaping the Company’s long-term strategy and governance as it scales within India’s aerospace and defence sector.

In his capacity as Chief Executive Officer of Megasoft Limited, Sunil led the merger of Sigma Advanced Systems into Megasoft, creating a focused listed platform for aerospace and defence. 

He also led Sigma’s acquisition of the Nasmyth Group in the UK, a strategically significant transaction that strengthened advanced manufacturing capabilities and expanded the Company’s international footprint.

Sunil is closely involved in guiding Sigma’s engagement with complex, mission-critical Aerospace & defence programmes, ensuring alignment between technical ambition, execution discipline, and commercial sustainability – an increasingly critical balance in India’s evolving defence ecosystem.

He is also the Co-Founder and Director of Indrajaal Drone Defence India Private Limited, reflecting his broader leadership across India’s defence and security landscape.

Sunil holds a Bachelor of Engineering from PSG College of Engineering, Coimbatore, a Master’s degree in Management from the University of Leicester, and a Master’s degree in Finance from London Business School. 

With nearly 17 years of experience across corporate governance, mergers and acquisitions, and senior leadership roles, his contribution at Sigma is defined by a long-term, disciplined approach to growth, supporting scale and innovation while maintaining strong governance and financial rigor.