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Yumi Otsuka

Title : Chief Sustainability Officer Company : Toyota Industry : Vehicle Manufacturing Ranking : 43 08

Charlotte Wolff-Bye

Title : Chief Sustainability Officer Company : PETRONAS Industry : Oil & Gas Ranking : 61

Dedicating her career to Toyota , Otsuka has been at the company for three decades . As CSO she leads the company ’ s approach to sustainability ensuring it is woven into its corporate strategy priorities . She also drives awareness and investment for sustainable innovation , productivity and growth .

A champion of corporate sustainability practices , Wolff-Bye has been the CSO of Petronas for the last two years , embedding sustainability into the company strategy , as well as ensuring that the company has good governance to match . energydigital . com 33