A popular speaker and writer, Trevor Eddolls set up iTech-Ed Ltd in 2004. iTech-Ed Ltd produced the Arcati Mainframe Yearbook. Eddolls set up and chaired the Virtual IMS, Virtual CICS, and the Virtual Db2 user groups. In 2024, Planet Mainframe acquired the Arcati Mainframe Yearbook and the user groups. For the past several years, Eddolls has spoken at the GSE UK conference on mainframe security and AI. Eddolls was a regular contributor to Toolbox for IT, TechChannel, and Planet Mainframe. He still blogs at Mainframe Update (https://mainframeupdate.blogspot.com/).
Previously, Trevor worked at Xephon, where, over 18 years, he edited most of their Update publications – A5-sized journals full of advice and programs for users of CICS, DB2, MVS (later z/OS), VM, VTAM, RACF, and many others. He also wrote-up mainframe-related surveys, chaired and spoke at conferences, and helped develop the company’s Web presence.