TOP 100 LEADERS
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Andreas Gyllenhammar
Chief Sustainability Officer Sweco
In June 2021 , Gyllenhammar rejoined Sweco Group and must have been influential in the past as the company returned his CSO title he gave up in 2019 . The Swedish leader worked a stint of more than 11 years for the company and returned to the post to oversee the sustainability of its business practices .
Siobhan Toohill
Chief Sustainability Officer Westpac
Since 2005 , Siobhan has worked in corporate sustainability among large companies to tailor their approaches to the climate crisis as well as social impacts of their businesses . Her experience comes from working in various positions , incorporating biodiversity , human rights , indigenous affairs , diversity , green building and urban design to name a few .
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Australia
Katherine Neebe
Chief Sustainability Officer Duke Energy
Hannah Harrison
Chief Sustainability Officer WPP
Neebe is an active face of Duke Energy Corporation and ESG philanthropist . With 25 years of experience leading teams across multiple sectors , she carries a culture of social and environmental stewardship and , through the business , continues to play a leading role in achieving this in the energy sector , applying her previous experiences at WWF , Walmart and The Aspen Institute .
Utilities United States
Following her stint at the UK supermarket chain , Tesco , Harrison returned to studying to achieve an Executive MBA at the University of Cambridge . During that time , she continued to provide development support to SABMiller , before going on to work for the Earth Security Group , linking finance to nature . Now with WPP , she is the face of its sustainability message .
Advertising & Media United Kingdom
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