Chip has over fifty years of systems- and application-programming experience in various IBM operating systems using low- and high-level languages and has been training systems and application programmers for over thirty years. He has used the Rexx language since 1980 and has written several major applications in Rexx, including a VM/CMS abstraction layer for AIX. Chip now teaches z/VM, Rexx, IBM Assembler, and UNIX/Linux courses for commercial clients around the country. He currently serves as Past-President and Board Member of the Rexx Language Association and is active in the Rexx, Linux, and Java users groups in the Research Triangle Park area of North Carolina. An instrument-rated pilot, Chip flies his own plane to class locations whenever possible, and for fun, the personal helicopter he built himself.