In 2018 Subhash Kumar has taken charge as Director (Finance), ONGC. Prior to joining as Director (Finance), ONGC, Mr. Kumar served a brief stint with Petronet LNG Limited where he joined as Director (Finance) in August 2017.

Mr. Kumar joined ONGC in 1985 as Finance & Accounts Officer (F&AO). After initially working in Jammu and Dehradun, he had a long stint at ONGC Videsh, the overseas arm of ONGC. During his tenure with ONGC Videsh, Mr. Kumar was associated with key acquisitions and expansion of the company's footprint from a single asset company in 2001 into a company with a global presence in 17 countries with 37 assets. He played a key role in the evaluation and acquisition of many Assets abroad by ONGC Videsh.

He also worked as Head Business Development, Finance & Budget, and also as Head Treasury Planning & Portfolio Management Group at ONGC Videsh from April 2010 to March 2015. Kumar joined back ONGC as Chief Commercial & Head Treasury of ONGC in July 2016 where he played a key role in evaluation, negotiation, and concluding outstanding issues pertaining to the organization.