Sustainability Award

Bethany Brantley

STACK Infrastructure

Bethany Brantley is a sustainability executive, environmental, social and governance investor, and climate advocate with over a decade of leadership experience across private equity, venture capital, digital infrastructure, financial services and government research. Her work bridges investment strategy, climate responsibility and operational execution, driving progress toward a more sustainable digital future. She is Head of Sustainability at STACK Infrastructure, leading the global sustainability vision and execution to align climate action, operational excellence and long-term value creation. Prior to STACK, she shaped ESG strategy at IPI Partners, one of the world’s largest digital infrastructure investment platforms.

Bethany is also a mentor to graduate students, early-career professionals and team members, helping them find their path in the sustainability and digital infrastructure sectors. As a Senior Fellow at NYU’s Center for Global Affairs, she engages with students on ESG investment strategy and equitable climate solutions. Her cross-sector background allows her to connect technical, financial and human impact perspectives, making her mentorship practical and inspirational.

As a member of the iMasons Sustainability Committee, Bethany proposed and now leads a collaboration between iMasons and GRESB, an organization that provides ESG data and benchmarks for the real estate and infrastructure industries, to develop the first-ever ESG benchmark specifically tailored to digital infrastructure. The global ESG reporting framework will enable investors, hyperscalers and operators to track and report ESG performance using a common language.

Bethany’s combination of strategy, execution and heart is redefining what sustainability leadership looks like in the digital infrastructure industry.