MCJ | 26,745 followers on LinkedIn. We back founders rewriting industries for the future. | MCJ is an early-stage fund for the energy and industry transition and the inevitable impacts of climate change. We discover and invest in startups rewriting industries to be cleaner, more profitable, and more resilient. We strengthen our investments through the MCJ Collective — a vetted member network that connects talented tech and industrial leaders with our portfolio and with one another.