Interface Architecture, User Experience, Programming, and more.
Clay holds a B.S. in Computer Science and a B.A. in Linguistics from the University of Arizona and worked for Intrigo as a user experience specialist when living in Tucson. He will complete a M.S. in Human-Computer Interactions at Rensselaer Polytechnic Institute December of this year. He is the author of the The New Interface Advocate.
His e-mail account is clay on this domain (hci-matters.com), and his phone number is (321) 252-9284. For those interested, a current résumé is available in PDF.
His GPG key is availabe on my server, from MIT's PGP repository, and through PGP's directory.