Steven Siger

Steve Siger is cofounder and COO of CNaught, which is trusted by buyers like Asana, Tiger Global, and Dimensional Advisors to make it easy to drive real climate impact through their carbon credit portfolios. Steve previously held multiple senior roles at early-stage companies including Uber and Thumbtack, where he served as General Counsel and acting head of finance and was the primary finance and legal advisor to the Board and Executive team while also playing a leading role in government affairs, trust and safety, HR, and more. Earlier in his career, Steve served in multiple roles in the Obama Administration, including as Chief of Staff and Acting Deputy Assistant Attorney General in the U.S. Justice Department’s Office of Legal Policy and as Counsel to the National Commission on the BP Deepwater Horizon Oil Spill and Offshore Drilling. A graduate of Yale and Stanford Law School, Steve lives in San Francisco with his wife Kelsey, their three kids, and their dog Teddy.