Colman has been working in the IBM mainframe universe for almost 35 years. Originally as a TPF Assembler Application Programmer in the UK, Germany and France. After Settling in France in the early 2000's Colman migrated to z/OS Systems Programming and Architecture. He currently specialises in z/Systems project consulting with an emphasis on security and is heavily engaged in training up the next generation of mainframers.
Email: colman.ocarroll@syspertec.com