Manjeet Kriplani (1979) and Mahima Kaul (2001) were both part of Think 20 (T20) which is an official Engagement Group of the G20. Manjeet is the ED of Gateway House, a very prestigious think tank on foreign policy and Mahima is the head of Public Policy (APAC) for Bumble. 

T20 serves as an "idea bank" for the G20 by bringing together think tanks and high level-experts to dicsuss issues relevant to the G20. T20 reccomendations are synthesised into policy briefs and presented to G20 working groups, ministerial meetings, and leaders' summit to help the G20 deliver concerete policy measures.