Cassandra Garber 

Following the retirement of Kristen Sieman, Cassandra Garber recently assumed the role of chief sustainability officer for General Motors. Garber brings extensive experience, having led social innovation programs and global sustainability strategy and operations at Dell. She has also held sustainability leadership positions at McKesson, 3M and The Coca-Cola Company. Garber will continue progress on GM’s green goals, including achieving carbon neutrality in global products and operations within the next 15 years; reducing emissions by 72% within the next decade and sourcing 100% renewable electricity for all the company’s U.S. facilities by the end of the year as well as globally by 2035.