Henry Wong is a tactical engineer at Sun Microsystems, where he has worked since 1989. Originally hired as a consultant to help customers with special device drivers, kernel modifications, and DOS interoperability products, Henry has also worked on Solaris ports, performance tuning projects, and multithreaded design and implementations for benchmarks and demos. Since early 1995, Henry has been involved in developing Java prototypes and supporting customers who are using Java. He is a coauthor of Java Threads from O'Reilly. Prior to joining Sun, Henry earned a bachelor of science degree in chemical engineering from The Cooper Union in 1987. He joined a small software company in 1986, working on SCSI device drivers, image and audio data compression, and graphics tools used for a medical information system. When not in front of a computer, Henry is an instrument-rated private pilot, who also likes to dabble in archery, cooking, and traveling with his wife, Nini.