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Erin Williamson

Manager, Energy & Sustainability Strategy

I work with clients to support their sustainability needs, from greenhouse gas management to strategic planning to goal setting and beyond.

Prior to joining Edison, I worked in the corporate environmental sustainability office at Northrop Grumman, a Fortune 100 global security company. I handled everything carbon-related and therefore have a client’s perspective on navigating the challenges of implementing ambitious decarbonization initiatives. I also led a GHG work group for the International Aerospace Environmental Group, where we were focused on developing industry supplemental guidance on reporting, and I’m proud to have led a huge effort to build a Scope 3 reporting tool and guidance tailored to the complex supply chain of the aerospace and defense industry.

Educational Background

Master of Environmental Science and Management – Bren School at UC Santa Barbara
B.S./B.A. Dual Degree in International Affairs and History – Florida State University

Climate change is an existential crisis, and if we have a chance at avoiding the worst impacts, we have to work together to align sustainability and value. It’s an exciting time to see momentum building among the world’s biggest companies starting to consider that value and how to transform accordingly. We have a long way to go, but the responsibility of guiding organizations through their unique sustainability journeys excites me.