Chip has over fifty years of systems- and application-programming experience in IBM operating systems and has trained systems and application programmers for over thirty years. He has used the Rexx language since 1980 and served on the committee that developed the ANSI Standard for Rexx. He has written several major applications in Rexx, including a VM/CMS abstraction layer for AIX. Chip is now retired from teaching VM, Rexx, IBM Assembler, and UNIX/Linux courses around the country. He continues to serve as Past-President and Board Member of the Rexx Language Association and is an active member of the Rexx and VM user communities. An instrument-rated pilot for decades, Chip enjoys flying his vintage airplane and the personal helicopter he built himself.