Ellen Jackowski

Ellen Jackowski

Chief Sustainability Officer, Mastercard

Ellen Jackowski joined Mastercard as Chief Sustainability Officer, where she is spearheading the integration of the company’s Environmental, Social and Governance (ESG) strategy into the organization. As part of this work, she is driving climate leadership for Mastercard-wide programs and commitments, such as reaching net-zero emissions by 2040, and helping accelerate the company’s impact in climate action initiatives like Priceless Planet Coalition. Mastercard’s ESG efforts, established more than a decade ago, are rooted in a belief of doing well by doing good in order to have true impact and enable both people and the planet to thrive. 


Previously, Ellen served as Chief Impact Officer and Head of Sustainable Impact at HP. Her global team developed and delivered a wide range of programs focused on climate action, human rights and digital equity. Earlier in her career, she served in several management and consulting roles.Ellen is part of the advisory board of the Ocean Plastics Leadership Network, is a deputy advisor on the World Economic Forum’s Champions for Nature community and has served as a faculty member of The Prince of Wales’s Business & Sustainability Programme at the University of Cambridge.

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