Lance Cottrell

Privacy and security guru. Entrepreneur, angel investor, and advisor. Founder of and author of Mixmaster.

I am the founder and principle at Obscura Security and Chief Scientist at Ntrepid Corporation. I founded Anonymizer Inc. in 1995 and took it to a very successful exit in 2008. I am an internationally recognized expert in cryptography‚ online privacy‚ and Internet security. I am an active angel investor, board member with the North Bay Angels, and mentor several startup companies. I speak frequent at conferences such as the RSA Security Conference. I tweet @LanceCottrell and blog at and