Cay Horstmann is author of Core Java (Sun Microsystems Press 1996-2004), co-author of Core JSF (Sun Microsystems Press 2004) and Enterprise Java for Elvis (Sun Microsystems Press, to appear in 2006).
He is professor of computer science at San Jose State University. He is a computer science series editor at Prentice-Hall and a frequent speaker at computer industry conferences.
Cay is very active on the GlassFish forums and a member of the CATfish program. Welcome Cay!