Biographical Sketch: Mike has been in a mainframe infrastructure professional since 1987. His fields of speciality include system programming, capacity planning, performance tuning and training. Mike has been the mainframe infrastructure manager at Isracard since 2007. Mike and his team are responsible for z/OS, z/VM, z/Linux, mainframe storage, mainframe communications, capacity planning and performance tuning. Isracard is Israel's largest credit card company.