Mary Grady, President and CEO of ERT and ACR Executive Director, has been active in environmental markets for over 30 years, including 15 years at ACR. In her current role, she manages operations and ACR's respected team of technical and policy experts in the California regulated market, the International Civil Aviation Organization (ICAO) market and the voluntary carbon market. She leads the implementation of strategies to ensure ACR’s approval in new compliance carbon markets and actively represents Winrock as a UNFCCC observer organization.

Upon joining ACR, Mary developed and implemented a business plan and a communications and outreach strategy that rebranded ACR and built its reputation as the premium U.S. GHG program. She has overseen the development and updates to the ACR Standard, the development of three generations of ACR’s registry platform and led ACR’s strategy for approval as a California Offset Project Registry in 2012 and to supply credits to ICAO's CORSIA in 2020.

Prior to ACR, Mary worked for 16 years in the renewable energy industry. As Development Operations Leader of Clipper Windpower, she managed the project development team and 10,000 MW project portfolio, valued at over $1 billion. Mary lived in Brazil for five years including as Director of Winrock's Brazil office and as Director of Kyocera Solar’s pioneering rural electrification program. She began her renewable energy career at the American Wind Energy Association (AWEA). Mary has an international MBA and speaks Portuguese and Spanish. She serves on the Council of the International Emissions Trading Association (IETA) and the Governing Board of the Integrity Council for the Voluntary Carbon Market (ICVCM).