Meet the Instructors


Senior z/VM Systems Programmer, Nationwide Insurance

Rick Barlow has more than 30 years of experience working with VM beginning with VM/SP Release 1. Through the years of application development under VM, he worked with most of the application development tools and languages. Rick has been a participant with IBM VM development teams working with Early Ship programs for RSCS, Pass-Through, TCP/IP and VM for many years beginning with VM/HPO 3.4 and including all of the VM/ESA and z/VM releases. Since 2005, Rick has been a key participant in a team at Nationwide that has been focused on Linux Virtualization on IBM z Systems using z/VM as the hypervisor. Rick has been a SHARE participant since 1990 and a regular speaker since 1994. He has also volunteered with the Linux and VM Program of SHARE since 1997.


Distinguished Engineer, IBM Corporation

Frank J. DeGilio is a Distinguished Engineer from IBM’s worldwide Client Technology Centers with a global focus on client enterprise infrastructures. He is the IBM System and Technology Group’s Chief Architect for Cloud Computing. Prior to joining IBM, Mr. DeGilio worked as a computer and systems analyst for Donaldson, Lufkin and Jenrette where he wrote code and provided connections between the distributed computing community and the mainframe community. In 1996, he left the development community to work in the New Technology Center where he helped customers leverage the latest technologies in their mainframe environments. In 1999, DeGilio left the New Technology Center to build the IBM Design Center, which helps customers architect and design optimized IT Infrastructures. Today his work focuses on providing enterprise-wide cloud solutions to clients who are interested in leveraging cloud computing.


Client Technical Specialist, IBM Corporation

Mitch Johnson is currently with the zGrowth Team (formally known as the Dallas System Center) in IBM. He provides technical support for IBM MQ, IBM Integration Bus and IBM Operational Decision Manager products, specifically on z Systems hardware. This support includes the development of education material and hands-on exercises which are designed to demonstrate the functionality provided by the product. Support also includes providing in-depth technical assistance for these products whenever and wherever needed.


Distinguished Engineer, IBM Corporation

Gus Kassimis is an IBM Distinguished Engineer in the z Systems group. He is the lead network architect for z Systems and an expert in the z/OS Communications Server, TCP/IP technologies, high availability networking functions and all things related to networking. He has over 25 years of experience working on z/OS and z Systems and is a frequent speaker at user conferences.


Executive I/T Specialist, IBM Corporation

Richard Lewis has been with IBM for over 30 years. During this time, he has worked as a VM System Programmer, maintaining several large internal IBM VM systems, and for most of the 30 plus years has been a member of the Washington System Center supporting both z/VM and Linux. As a member of the Washington System Center, Richard works closely with z/VM development, Linux development, IBM customers and IBM Field Technical Specialists providing instruction on z/VM and Linux topics, as well as assisting in the resolution of technical problems. Richard is also very active at SHARE as both a presenter and the lead IBM Representative to the Virtualization, z/VM and Linux program.  Richard has also created and taught many z/VM and Linux related hands-on workshops.


Senior Technical Staff Member, IBM Corporation

Romney White was a professional hire at IBM in 1997 after a 29-year career that included two years as a co-op student with IBM Canada, 11 years at the University of Waterloo Department of Computing Services, and 16 years starting and growing several small software and consulting businesses. After graduating with an Honors, he joined the University of Waterloo Department of Computing Services where he became one of the first VM enthusiasts in Canada. After creating several other businesses in the VM market, Romney joined IBM's VM Development organization in Endicott, New York. Romney currently works for the IBM z Systems organization in Architecture and Technology with a focus on virtualization and cloud computing.