Heather Clancy
Trellis Group (formerly GreenBiz)
Heather Clancy is an award-winning journalist specializing in transformative technology and innovation. She started her reporting career on the business news desk of United Press International, and her articles have appeared in Entrepreneur, Fortune, The International Herald Tribune and The New York Times.
Clancy was the launch editor for the Fortune Data Sheet, a newsletter dedicated to the business of technology. She co-authored the Amazon best-seller for entrepreneurs, Niche Down, How to Become Legendary By Being Different.
In her role at Trellis, Heather chronicles the role of business model innovation and technology in transitioning to a clean, inclusive and regenerative economy. She serves on the boards of the WSLA Alumnae Group, a mentorship organization that nurtures feminine leadership in the corporate sustainability movement, and EcoAthletes, a collective of collegiate, professional and amateur athletes that advocate for solutions to climate change.
Apple, Mars, Unilever and more: Big leadership transitions in 2025
Notable promotions, retirements and departures in corporate sustainability, as chronicled in our Executive Moves column. Read More
Why big batteries will be in vogue in 2026
Installations by steelmaker Nucor and data center operator Aligned illustrate growing interest among commercial energy buyers. Read More
How climate goals create business value at Atlassian, Workday and Cox
Executives from these companies — along with leaders at Apollo Global Management, Digital Realty, HSBC, LA28, Mars and Visa — reflect on how sustainability drives new revenue, attracts talent and closes deals. Read More
How Mastercard is trying to tame its digital carbon footprint
The payments company created a proprietary dashboard and a steering committee to decouple business growth and emissions from data centers and IT infrastructure. Read More
CVS Health promotes former McDonald’s exec to lead sustainability efforts
Jennifer McColloch joined the $372 billion healthcare company in March 2024, after 12 years in sustainability roles at the fast-casual restaurant chain. Read More
Goodbye in 2025: What and whom we lost this year
From the Inflation Reduction Act’s cancellation to the collapse of global plastics treaty talks, it’s been an especially rough year. Read More
Advice from 7 leaders on thriving during sustainability’s ‘reckoning point’
How execs from Apollo Global Management, Bristol Myers Squibb, HSBC, LA28, Mars, Visa and Workday ensure that climate strategy remains relevant at their organizations. Read More
Apple’s sustainability chief Lisa Jackson to retire
During her 13-year tenure, the Obama-era EPA administrator and chemical engineer prioritized supply chain investments that helped Apple cut emissions by 60 percent. Read More
Why Patagonia picked a materials scientist to lead sustainability
Matt Dwyer, vice president of global product footprint, previously led materials innovation and development. Read More
Behind the growing fascination with emissions intensity
Why Procter & Gamble, Stanley Black & Decker and Thermo Fisher Scientific use metrics that contextualize emissions reductions in relation to other business goals. Read More
