Kate Williams
CEO
1% for the Planet
Kate Williams is CEO of 1% for the Planet, a global movement that inspires action and commitment so that our planet and future generations thrive. In more than a decade of leadership at the organization, Kate has scaled 1% for the Planet’s network to span 110 countries and 65 industries, driving more than $780 million in certified giving to vetted environmental solutions.
A sought-after public speaker and recognized environmental leader, Kate was honored as a 2025 MO 100 Top Impact CEO, named among the 2025 Top Keynote Speakers by the Real Leaders Impact Awards, and received the 2024 New Era of Leadership Award from Chief.
Kate earned her BA from Princeton University and her MS from the MIT Sloan School of Management. A dedicated connector and changemaker, she has served on a variety of nonprofit and advisory boards throughout her career. Outside of work, she’s a mom to two grown children and an avid trail runner, living in Vermont with her husband of 30 years and their dog, Maeve.
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