Patrick Chan is an original member of the team that created the Java language. He is also a coauthor of the Java Class Libraries books and is the chief architect at Composite Software.
Rosanna Lee is a former Senior Staff Engineer at Sun Microsystems, Inc.,where she led the design and development of the JNDI technology and theX/Open Federated Naming (XFN). She is also coauthor of the Java Class Libraries books and posters in the Java Series.