Bruce Vininghas worked for IBM for more than 25 years. He is a member of the Rochester development lab Design Control Group where he has been responsible for System APIs, Globalization, and Serviceability. He lives in Rochester, Minnesota.Doug PenceandRon Hawkinsmake up the research and development department of CPU Medical Management Systems. They are the authors ofiSeries and AS/400 APIs at WorkandiSeries and AS/400 RPG IV at Work.They both live in San Diego.