Tanvi Vyas is a Principal Engineer at Mozilla where she is advocating for a more private web for all users. In this role, she leads the vision and development of privacy features in Firefox to provide protection against online tracking coupled with a good user experience. She is known for leading Firefox’s Enhanced Tracking Protection and creating an identity segregation system in Firefox called Containers. Most recently, Tanvi took a co-chair position in the new W3C Privacy Community Group, where she will help develop privacy-focused web standards and APIs. Before immersing herself in privacy, Tanvi focused on web application security as a Firefox engineer and as a Paranoid at Yahoo.