Decades of Leading Sustainable Business

1991

Joel Makower launches The Green Business Letter

1994

John Elkington coins the term ‘triple bottom line’

1999

Dow Jones Sustainability Index launched

1999

Global Reporting Initiative launched

2000

GreenBiz.com launched as a non-profit

2001

GHG Protocol launched

2002

GreenBuzz e-newsletter launched

2004

First CSO (Linda Fisher, Dupont)

2005

Walmart CEO announces major sustainability initiative

2007

GreenBiz is re-established as a private company

2008

Launch of Trellis Network

2009

GreenBiz hosts its first event

2012

VERGE event launch

2014

Apple’s Lisa Jackson announces 100% renewable energy goal at VERGE

2014

CEBA launches at VERGE

2015

Paris Climate Agreement

2016

Apple announces ambition to make iPhone from 100% reused parts at VERGE

2019

Circularity event launch

2020

Microsoft intros “carbon negative” plan

2021

GreenFin event launch

2023

EU Corporate Sustainability Reporting Directive

2023

Bloom event launch

2024

Rebrand to Trellis and Trellis Briefing newsletter launch

2025

Trellis Impact event launch

Trusted By Leading Companies

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Our focus

How We Can Drive Impact Together

Join a Powerful Peer Network

Join a Powerful Peer Network

Since 2008, Trellis Network has supported sustainability professionals in driving transformation across their organizations. Members gain a powerful peer network and company-wide access to meetings of nearly a dozen communities mapped to the needs of your organization. Trellis Network makes your job easier so you can drive more impact.

Engage With Our Industry-Leading Events

Engage With Our Industry-Leading Events

Accelerate your growth and your company’s leadership with the thousands of thought leaders, innovators and practitioners who attend our premier in-person events tackling our planet’s biggest challenges and the future of the sustainability profession. Whether you attend, speak or sponsor, these are can’t-miss events for you and your team.

Connect With Your Customers And Community

Connect With Your Customers And Community

Reach an unparalleled audience of senior sustainability leaders from the largest companies in North America and Europe by elevating your company on the Trellis website, newsletters, webinars and reports. Among the 200,000 unique visitors to our website and the 50,000 subscribers to our newsletter are C-suite members from some of the most influential companies in corporate sustainability, climate tech, the circular economy and sustainable finance.

Grow With Us

Grow With Us

Our company’s core values — innovation, collaboration, diversity, agility and trust — form the foundation of Trellis and are at the core of everything we do. Help shape a sustainable future by joining our passionate, dedicated team.

Behind Trellis

Team Leaders

Joel Makower
Joel Makower
Chairman & Co-founder
Trellis Group
Pete May
Pete May
President & Co-founder
Trellis Group
Allison Fass
Allison Fass
VP, Editorial Strategy & Products
Trellis Group
Becky Dempsey
Becky Dempsey
SVP, Marketing
Trellis Group
Bryan Lewis
Bryan Lewis
Program Manager
Trellis Group
Chandler Griffin
Chandler Griffin
Chief of Staff
Trellis Group
Eden Golshani
Eden Golshani
Chief Technology Officer
Trellis Group
Ellie Buechner Underwood
Ellie Buechner Underwood
SVP, Conferences
Trellis Group
Grant Harrison
Grant Harrison
VP, Sustainable Finance & ESG
Trellis Group
Hana Kajimura
Hana Kajimura
Interim CEO
Trellis Group
John Davies
John Davies
President, Network
Trellis Group
Julia Vann
Julia Vann
VP, Creative
Trellis Group
Katie Ryan
Katie Ryan
VP, Sustainability
Trellis Group
Natalie Rasmus
Natalie Rasmus
VP, Sales
Trellis Group
So Young Lee
So Young Lee
SVP, Finance
Trellis Group
Theresa Lieb
Theresa Lieb
Vice President, Nature and Europe
Trellis Group
Trish Do
Trish Do
VP, People & Culture
Trellis Group

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