John has been working on IBM mainframe system for 42 years and started in operations, moved to systems programming and has spent the last 31 years in systems software development and management working on disaster recovery products, and transparent data migration products. He is currently the 21st Century Senior Software Development Strategist working with the CRO and President on new products. He is familiar with most DADSM, DFSMS, catalog, and I/O structures and holds multiple IBM patents with a 21st Century patent pending.
Email: johnh@21csw.com