webdev-, system- & network-guy with an interest in Internet protocols, privacy, security, crypto (also currency) and open source

Security Researcher and Software Engineer with a passion for helping others discover and learn.

Software Engineer @Adobe. I used to write code for @Brave and @Twitter. I teach classes at @frontendmasters and love speaking at conferences.

software developer | writer

JavaScript all the things

Co-founder of Mozilla Research. Web standardista. Author of Effective JS. Follower around of @tinycalculist as a two-person marching band.

Engineer and creative.