Vaishali Nigam Sinha, a beacon of wisdom for those daring to entwine their entrepreneurial journeys with their spouses, offers a thoughtful nugget: “Exercise caution and mindfulness.” This mantra resonates deeply with her experience as the co-founder of ReNew Power, a pioneering renewable energy firm birthed alongside her husband, Sumant Sinha. For Vaishali, this meant a profound self-awareness regarding her strengths—articulating her desired role and discerning where her contributions would truly shine.
Nestled in the bustling offices of ReNew in Gurugram, just a stone’s throw from Delhi, Vaishali, 54, exudes warmth and elegance, her traditional Indian attire echoing her heritage. “Sumant and I are like two sides of the same coin—distinct yet complementary. Diversity is indeed our strength,” she asserts. Their partnership spans three decades of marriage and a collaborative professional journey of 14 years.
Though her passion for environmental sustainability has always flickered brightly, Vaishali’s career began in the labyrinthine world of finance, with stints across the US, UK, and India. Ultimately, the calling of sustainable energy beckoned her to pivot.
Today, ReNew stands tall as one of India’s foremost green energy enterprises. Its most recent quarterly financial report heralds a monumental achievement: the installation of 10 gigawatts of capacity across a diverse portfolio of wind, solar, and hydroelectric assets as of August. The ambitious goal now is to expand to 15.6 gigawatts—an impressive feat within a country grappling with an energy total of approximately 450 gigawatts.
The couple embarked on their entrepreneurial venture in 2012, buoyed by a substantial $200 million investment from Goldman Sachs. The ensuing years saw ReNew making waves, culminating in its IPO on Nasdaq in 2021. Presently, the company boasts a market capitalization of $2.27 billion.
With Sumant at the helm as chair and chief executive, Vaishali embraces her role as chair of sustainability and head of the ReNew Foundation, which embodies the company’s commitment to corporate social responsibility.
Regarded as an “accidental entrepreneur,” Vaishali marvels at her unexpected leadership in such an infrastructure-intensive sector. “I’m inherently a people person,” she confides. “I gravitate toward roles that blend an ambassadorial flair with analytical insight. The inner mechanics of the machinery? Not my forte.”
A Glimpse into Her Roots
Vaishali’s origins trace back to India, born to a civil servant and a homemaker. Their nomadic lifestyle due to her father’s job often whisked them to remote locales, enveloping her childhood in nature’s embrace. In the lush green landscapes of Shillong, nestled in Meghalaya, she fearlessly roamed the hills alongside friends, unfazed by the lurking presence of bears and jackals.
Her academic journey took her to Delhi University, where she delved into politics and economics, joining an ecological student group along the way. With aspirations of a career in development, she secured a scholarship for a master’s in public policy at Columbia University, New York—where her then-boyfriend, Sumant, was also headed.
However, her tenure at the World Bank, marked by frustrations over slow-moving bureaucratic wheels, redirected her path toward Wall Street, focusing on emerging markets. For the next decade, Vaishali navigated the corporate finance landscape, contributing her talents to JPMorgan, Daiwa, and Prudential in New York and London. All the while, she and Sumant eyed return opportunities in India.
The birth of their son in 2002, coupled with a health condition that the doctors recommended optimized by a warmer climate, prompted a move to Mumbai. While Sumant climbed the organizational ladder as chief financial officer at Aditya Birla Group, Vaishali embraced her role as a full-time mother. “That was a pivotal chapter in my life—I grappled with uncertainty about my child’s health and my return to the workforce,” she reflects.
Yet, after a brief hiatus, she rejoined the professional arena as head of corporate relations at DSP Merrill Lynch, later transitioning to Daiwa Securities and then Macquarie. The couple’s ambitions to meld their high-powered careers had reached a tipping point, leading to discussions about collaboration.
From Ideas to Action
Recognizing the dire energy challenges in India, characterized by chronic shortages and heavy reliance on polluting coal, the couple found clarity in their direction. In 2010, Sumant—imbued with insights from his experience as COO at Suzlon Energy—convinced Vaishali to transition their investment platform, Savant, into what we know today as ReNew.
“In those early tumultuous days, chaos reigned supreme,” Vaishali reminisces. “But as we neared our inaugural wind project, I was compelled to define my role within the organization.”
Focusing fervently on sustainability, Vaishali sought to harmonize the dual aspirations of a rapidly growing enterprise with broader societal and environmental goals. This vision crystallized with the inception of the ReNew Foundation in 2018.
With a recent partnership forged with Microsoft, approximately $15 million is earmarked for the foundation, aimed at alleviating climate change’s impacts on underprivileged communities and delivering electricity supply to remote areas. Training initiatives for local women as technicians of solar panels and water pumps reflect the foundation’s ethos.
“For me, this aspect of my role brings the most exhilaration—championing climate justice and ensuring marginalized communities aren’t overlooked during the energy transition. It’s fulfilling work,” Vaishali states, her pride tangible.
In a tumultuous yet enriching journey, she cherishes the opportunity to build a thriving organization with her husband—one characterized not just by success, but by a sense of sanity and fulfillment. “We never envisioned ourselves as a mere ‘Mr. and Mrs.’ enterprise,” she affirms. “I can confidently say we have surpassed that expectation.”