DuPont 's CEO joined company at Old Hickory site in Texas as engineer in 1970 . While chairman of the WBCSD , Holliday co-authored the book `` Walking the Talk , '' which details the business case for sustainable development and corporate responsibility . Score: 7 Has moved DuPont from chemicals to science-based products and services .
DuPont 's CEO joined company at Old Hickory site in Texas as engineer in 1970 . Score: 7 Has moved DuPont from chemicals to science-based products and services .