Roger Lang

Lang Co-Founded SSV with Kennedy and Black, and became Partner Emeritus and Strategic Advisor in 2025.  Lang brings more than 40 years of experience as an entrepreneur and investor in energy, decarbonization, conservation, AI and analytical software throughout the world.  Lang supports SSV’s activities in the US, including sourcing investments, building and maintaining investor relationships, and supporting portfolio companies.  

Lang founded and led two Silicon Valley-based software companies from inception through IPO on NASDAQ (Infinity and CAT-S) and has led numerous conservation and decarbonization initiatives throughout the Americas, including conserving more than 10,000 acres of land in Montana. He has previously been an investor in Securant (exit to RSA Security), Cutthroat Communications (exit to Blackfoot Telecommunications), ConnectandSell and SnapLogic, as well as in numerous funds. Lang owned and led Sun Ranch in Montana for a decade, where he co-founded North America’s first eco-lodge and conservation beef company with the Nature Conservancy. 

Lang holds a B.A from Stanford University, where he endowed a professor chair in Environmental Anthropology.  Lang speaks English, French, Spanish, Italian and Portuguese.

‍