Carmichael Roberts uniquely operates as both co-founder of the specialized Material Impact Fund and a leader at Bill Gates's Breakthrough Energy Ventures, combining roles that span early materials-focused venture formation and large-scale climate capital deployment. His background as a bioorganic chemist who became a serial materials entrepreneur before investing gives him an unusually deep technical foundation for evaluating hard-tech startups, particularly those focused on making energy and infrastructure systems more resilient. Carmichael Roberts uniquely operates as both co-founder of the specialized Material Impact Fund and a leader at Bill Gates's Breakthrough Energy Ventures, combining roles that span early materials-focused venture formation and large-scale climate capital deployment. His background as a bioorganic chemist who became a serial materials entrepreneur before investing gives him an unusually deep technical foundation for evaluating hard-tech startups, particularly those focused on making energy and infrastructure systems more resilient.