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Mia Overall

Senior Key Account Director
ACT Group

Mia Overall is a Key Account Manager at ACT Group where she is focused on partnering with senior corporate sustainability leaders on leveraging market instruments to decarbonize their operations and supply chains. Prior to joining ACT, she was the VP of ESG at Newmark, a publicly traded commercial real estate firm, where she oversaw global strategy and execution of all ESG related functional areas. Prior to that she was the Director of Shareholder Engagement and the Director of ESG Strategy at Rockefeller Capital Management, a buy-side asset manager focused on public equities and fixed income. Prior to that she worked as a sustainability consulting at various firms, including her own, Overall Strategies, advising sustainability leaders on the development and rollout of their sustainability strategies, initiatives and public reporting. She is also a huge fan of the Trellis team and has published numerous articles for GreenBiz over the years.

She has an MBA from NYU, an MA in International Economics from Johns Hopkins SAIS and a BA from Stanford University.

Participated in

session

Beyond PPAs: Navigating Energy Volatility with Smarter Procurement Tools

October 28, 2025
session

Turning IRA Incentives into Climate Action

February 12, 2025
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