12 Mary de Wysocki

Chief Sustainability Officer

Cisco

Computer Software $ 57bn 84,900

A specialist in CSR strategy development , collaboration , technology and education transformation , De Wysocki has been a leading executive at software development company – Cisco – for 23 years . De Wysocki oversees the progress towards its public environmental goals . She also helps drive long-term value for the business , its value chain , and the planet .

11

Julia Maris

Chief Sustainability Officer / VP of Corporate Environmental and Social Responsibility

ENGIE

Utilities $ 90bn 96,500

Experienced in working for both the public and private sectors , Julia Maris says transformation is in her DNA . Passionate about issues of international stability and security , she is a strong believer in the severity of global warming and its impact on development .