R Systems Leadership Team

Industry Leading Technical Expertise | Client-Focused Team | Solution oriented Systems Support

Our Founders

Greg Keller
Greg KellerCo-Founder/Chief Executive Officer

Greg Keller co-founded R Systems as the Technical Principal and is the catalyst in the leadership team, driving strategic hardware deployment and related technology solutions to meet the current and future needs of our customers.  Prior to founding R Systems, Greg worked with Dell Computer, designing and deploying the fastest computers in the High Performance Computing world. In 2003, Dell and the National Center for Supercomputing Applications built Tungsten, the 4th fastest computer with the fastest File System in the world. He continues to keep R Systems at the leading edge to make comprehensive products and solutions available to our customers.  Greg graduated from Loyola University’s School of Business in 2000 with degrees in Business Administration and Strategic Management/Human Resources. Greg is a FAA Licensed Private Pilot. When he is not flying on the weekends, Greg and his family are often seen riding a “QuadraCycle” through Austin.

Brian Kucic
Brian KucicCo-Founder/Business Principal

Brian Kucic’s vision was to establish a company that would better serve commercial clients with their HPC needs. This vision led to the creation of a company—R Systems—that is dedicated to serving research partners in a demanding business environment.  Presently, as Business Principal, Brian is responsible for the management of all business activities related to sales, customer relations, and project contracts. Brian’s experience and data center management skills ensure that all business activities are targeted for results, added benefits, and performance reliability for all of R Systems’ customers.  Prior to R Systems, Brian served as the Private Sector Program Director at The National Center for Supercomputing Applications (NCSA) at the University of Illinois. From 1999-2003, Brian served as the Cray User Group Operations Chair. He currently serves on Microsoft’s Partner Advisory Board and on the Alliance for High Performance Digital Manufacturing (AHPDM) chaired by Intel’s Dr. Stephen Wheat.  Brian graduated from Western Illinois University’s School of Engineering in 1987 with a B.S. degree in Industrial Engineering.  He is an avid motorsports fan and has not missed an Indianapolis 500 in decades and highlights the Austin / US Grand Prix as an Annual “Must See.”

David Johnson
David JohnsonChief Financial Officer

David Johnson joined the R Systems ownership and management team in January of 2007 as the Financial Principal.  He currently serves on the Board of Directors and serves as the company’s Financial Officer. David is responsible for both the tactical and strategic funding of operations for R Systems.  Prior to joining R Systems, David was Managing Director at HSBC USA in New York, managing a foreign exchange (“FOREX”) capital markets business with over $120 Million in Revenue. He held similar positions at Barclays Capital and Merrill Lynch New York. David graduated from the University of Virginia’s McIntire School of Commerce in 1981 with a combined degree in Finance and Accounting.  He has lived and played golf in almost every corner of the globe including a two year stint in Tokyo.