Extensive experience in the Mainframe as well as the grey area in between Mainframe and Distributed from the vendor sides, consulting and also as an employee.
Knowledge of where the TLC and SDLC merge allows David to make a call on tools usage and why application dont perform, and why Testing is such a big mystery.
Specialties: IT - SDLC, TLC and how IT fits together, the role of the Mainframe in the current "cloud centric" Business focus, and why we need a blended environment to react to the business needs.