Vaishali Nigam Sinha

Vaishali Nigam Sinha is the CoFounder of ReNew, a leading decarbonisation solutions company listed on NASDAQ. As Chairperson Sustainability, she plays a pivotal role in positioning ReNew as a global ESG leader, spearheading the netzero agenda and implementing strategies that have earned the company top international ESG rankings.

Vaishali is the Founding Chair of the ReNew Foundation and leads the ReNew India Initiative, which has positively impacted more than 1.7 million lives in remote regions through social impact programs aligned with the UN SDGs. Under her leadership, ReNew has earned global recognition for ESG excellence—scoring 90.41/100 (A grade) in LSEG ESG Ratings (FY26), ranking #2 worldwide in the Electric Utilities & IPP sector, achieving an ‘A’ in CDP Climate Change (2024–25, top 4% globally), and being highest-rated Indian company featured in S&P Global’s Sustainability Yearbook 2025.

Vaishali was elected President of the UN Global Compact Network India (UNGCNI) in 2025—the first privatesector leader to hold this position since the Network’s inception over two decades ago. She also serves as CoChair of the World Economic Forum’s Alliance for Clean Air, tackling air pollution through the lens of climate action, health, and sustainability.

She is a member of WEF’s South Asia Regional Action Group, a senior advisor to the Alliance of CEO Climate Leaders, and serves on the Global Advisory Council for the 1 Trillion Trees Initiative. Vaishali is a member of the Governing Council of The Energy and Resources Institute (TERI), helping shape the institution’s strategic vision. She is also CoChair of the Confederation of Indian Industry’s (CII) Centre for Women Leadership.

In 2026, Vaishali contributed to TeamLease Edtech’s landmark volume Accelerating Impact. Enabling Dreams., which convenes voices from across India’s industry, education, and public life. Her leadership narrative—anchored in purpose, action, and measurable impact—illustrates how climate action, social equity, and responsible leadership are inseparably linked.

Vaishali is coeditor of T20’s Pathways to Equality, a global collection of essays on gender parity. A respected voice at events such as COP UNFCCC, WEF, Reuters Energy Transition Summit, and FT Climate Capital Live, she is a regular writer and speaker on sustainability, climate policy, and gender equity.

In 2024, Vaishali was CoChair of the Finance & Infrastructure Task Force of B20, under G20 Brazil. She is Chair of South Asia Women in Energy (SAWIE) and an advisory board member of Columbia University’s SIPA and Global Centre, Mumbai.

Her leadership has been widely recognised, with honours including Fortune India’s 50 Most Powerful Women (2024 & 2025), Reuters’ 2025 list of 12 Women Trailblazers Fighting Climate Change, Business Today’s Most Powerful Women (2025), BW Sustainability World’s Most Influential Women Powering India’s Sustainable Future (2026), and Business Insider’s 100 People Transforming Business (2022). Vaishali holds a Master’s in Public Policy from Columbia University’s SIPA, where she was an AAUW scholar, and is an alumna of Harvard Business School’s OPM Programme.