Sumant has or has had the privilege of holding leadership position in a number of global, regional and national organizations.
- Managing Partner, Kesar Dass B. & Associates, a leading insolvency and commercial law firm
- President, Society of Insolvency Practitioners of India
- Chief Mentor, INSOL India
- Chairman, ASSOCHAM National Council of Insolvency and Bankruptcy
- Member, Board of Governors, the Indian Institute of Corporate Affairs, Ministry of Corporate Affairs, Government of India
- Senior international consultant, International Monetary Fund, Washington D.C.
- Senior international consultant, the World Bank Group, Washington, D.C.
- Senior international consultant, the Organisation for Economic Cooperation and Development, Paris
- Member, Government of India-United Kingdom Task Force on Corporate Affairs
- Member, Advisory Board, Institute of Asia-Pacific Business Law, University of Hawaii, U.S.A
- Honorary Life Member, Ghana Association of Restructuring and Insolvency Advisors
- Permanent Invitee, Executive Committee, INSOL India
- Chairman, INSOL Africa Roundtable
- Past President, INSOL International (INSOL) – the International Association of Restructuring and Insolvency Professionals with HO in London, U.K, from 2009-2011.
- Member, Managing Committee, ASSOCHAM – Association of Chambers of Commerce in India
- Member, Regional Council, Indo-American Chamber of Commerce
- Member, Advisory Committee, Education Promotion Society of India
- Chairman, Economic and Corporate Policy Committee, Indo-American Chamber of Commerce
- Chairman, Indian Company Secretaries Institute Course Committee on Insolvency
- Chairman, ASSOCHAM Corporate Affairs committee
- Member, National Foundation of Corporate Governance Core Group on Corporate Governance of Small and Medium Enterprises
- Member, Steering Committee, Forum for Asian Insolvency Reforms
- Member, Steering Committee, Forum for Insolvency Reforms in Middle East and North Africa
- Member, Middle East North Africa (MENA) Task Force on Corporate Governance of State Owned Enterprise – established by MENA countries together with Hawkamah, OECD & IFC (World Bank Group)
- Member, MENA Task Force on Insolvency Reforms established by INSOL, Hawkamah, OECD and World Bank
- Member, OECD Task Force on Related Party Transactions
- Special Invitee, Economic & Commercial Law Committee, Indian Institute of Chartered Accountants
- Member, Legal Affairs Committee, Indo American Chamber of Commerce
- Secretary General, INSOL India-– the Indian federation of Insolvency Professionals
- Vice-Chair, Insolvency Committee of Inter Pacific Bar Association and Chief Liaison of the Committee with International Institutions.
- International Administrator, M K Nambyar SAARCLAW International Moot Competition
- Member, World Jurists Association
- Member, Bar Association of Delhi High Court
- Member, Debt Recovery Tribunal Bar Association
- Life Member, SAARC Law - the legal arm of South Asian Association of Regional Countries comprising India, Pakistan, Nepal, Sri Lanka, Bhutan, Bangladesh and Maldives.
