In 1998, he co-founded and designed—and from 1999 to 2002 he directed—The Web Standards Project, a grassroots coalition that helped bring standards to our browsers.
Jeffrey founded and is executive creative director of Happy Cog™, a high-end web design agency with studios in New York, Philadelphia, and San Francisco. He publishes the industry-leading magazine A List Apart “for people who make websites;”
Jeffrey co-founded the multi-city web design conference An Event Apart with Eric Meyer; co-hosts The Big Web Show with Dan Benjamin; is the publisher of the new “A Book Apart” series of short books for people who make websites; and is a faculty member on the MFA, Interaction Design program at School of Visual Arts.
Jeffrey serves on the Advisory Boards of SXSW Interactive and Rosenfeld Media and is a co-founder of The Deck advertising network.