How a Big Firm Drives Big Change

METROPOLIS recently released its first U.S. Sustainable Design Report, produced in partnership with Interface, encapsulating the state of sustainability in American architecture and design. On Deep Green, we’re speaking with leaders who have a bird’s-eye view of how we can build more sustainably here in the United States.

Gensler is the largest architecture and design firm in the world. With more than 6,000 professionals working across 56 offices, the firm generated $1.88 billion in revenue in 2024—that’s billion with a “B.” According to the firm’s recent Resilience by Design report, its 2024 portfolio is projected to avoid emitting 19.6 billion kilograms of carbon dioxide.

In this episode of Deep Green, host Avinash Rajagopal is joined by Katie Mesia, firmwide design resilience leader and director of sustainability at Gensler. A central part of Mesia’s role is shaping Gensler’s culture to help the firm attain its goal of carbon neutrality by 2030.

She consults on deep sustainability strategies for projects around the world, working to reduce carbon emissions and minimize environmental impacts. She has also championed Gensler’s product sustainability standards, helping drive industry-wide adoption of more regenerative materials in architectural interiors.

Listen in to learn how large firms can shift culture at scale, what it really takes to reach carbon neutrality, and where the biggest opportunities for impact lie today.

Resources:

METROPOLIS Interface U.S. Sustainable Design Report 2026

Gensler Product Sustainability (GPS) Standards

Genlser Resilience by Design Report

Design Forecast 2026 | Gensler

This season of Deep Green is presented by Interface.

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