Profile banner
Steven Siger

Steven Siger

Lawyer and builder who likes to solve problems by finding a creative path to yes

steven-siger
San Francisco, CA
Joined February 2026

Network

3.1K connections
⚖️
Legal & Policy Leaders
🚀
Startup Founders & Investors
📈
Corporate Operations & Strategy
🤖
AI & Tech Innovators
💰
Wealth Management Advisors
🎓
Brandeis School Community
🏠
Real Estate

Summary

Steven Siger is a cofounder and COO/CLO at CNaught, a company focused on driving real climate impact through carbon credit portfolios. He is actively involved in the climate and sustainability sector, as evidenced by his posts about carbon removal and CNaught's initiatives. trellis+1
With extensive experience across legal, operational, and governmental roles, Steven has a unique background blending public service and tech leadership. He held significant positions in the Obama Administration, including Chief of Staff and Acting Deputy Assistant Attorney General at the U.S. Department of Justice, where he was recognized for his work on the U.S. v. Windsor implementation. trellis+4
Steven has a proven track record of leadership in early-stage tech companies, having served in senior legal and operational roles at Otter, Bungalow, Thumbtack, and Uber. His responsibilities often extended beyond legal affairs to include finance, government affairs, trust and safety, and HR, demonstrating a versatile and problem-solving approach to building and scaling organizations. trellis+3
He is an alumnus of Yale University (BA) and Stanford University Law School (JD with Distinction), providing a strong academic foundation for his career in law and technology. yale+1

Work

Education

Hobbies

Steven is a father of three children. nitter+1

He is from Pittsburgh and now lives in the Bay Area. nitter

He is a lawyer who tweets about climate impact and advocates for reproductive rights, having matched donations to the NAF Hotline Fund. nitter