51-year-old Jayant, an investment fund manager and management consultant so far, was elected to the Lok Sabha in May this year from Hazaribagh in Jharkhand, a seat once represented by Sinha senior. He has been associated with the corporate world for nearly 25 years before he entered Parliament as a first-time MP.
Since becoming an MP, Jayant has also been a member of three parliamentary committees - Public Accounts Committee, Standing Committee on Finance and Committee on Subordinate Legislation. He had been a partner and managing director, Omidyar Network India Advisors. He was once a partner at McKinsey and Co and Managing Director, Courage Capital Management.
He did his MBA with distinction from Harvard Business School and MS in Energy Management and Policy, University of Pennsylvania and BTech with Distinction from IIT, Delhi. An avid tennis player, he is married to Punita Kumar-Sinha, an investment manager and former Senior Managing Director at The Blackstone Group.
Jayant has been active in Hazaribagh, assisting his father's election campaigns since 1998. He has also worked on a variety of projects in Hazaribagh and Ramgarh districts such as fostering self-help groups, distributing solar lanterns, improving drinking water quality, and getting village roads built.
Besides campaigning for his father, Jayant has worked with party veteran Murli Manohar Joshi and Arun Shourie on the BJP's manifesto during the 2009 Lok Sabha elections.