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Nancy Mahon

Chief Sustainability Officer

The Estée Lauder Companies Inc.

Industry: Beauty & Cosmetics

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Cassandra Garber

Chief Sustainability Officer

Dell Technologies

Industry: Technology

With

a decade working in ESG strategy, Nancy now drives sustainability in luxury at Estée Lauder. She has overseen significant sustainability advancements, including increasing recyclable packaging to 71 % and pioneering supplier climate transition programmes, aligning business growth with environmental stewardship. She has been with the company since 2006, working with brands including MAC, Bobbi Brown and La Mer.

Cassandra

, Dell Technologies’ Chief Sustainability Officer since 2021, has held leadership roles at McKesson, 3M, Coca-Cola, GE Energy and GE. With 20 years of experience, she oversees Dell’ s ambitious 2030 goals, focusing on climate action, circular economy and digital inclusion, ensuring sustainability is woven into every aspect of the business.

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