Sebastiano Serlio (1475-1554) was a renowned architect of the Renaissance. His most enduring and influential contribution was an eight-volume illustrated handbook for architects. The work, which presented practical solutions to common design problems, was one of the most widely used architectural treatises of the early modern period.

In the same spirit, we practice our profession while making strides to advance the state of software development today. We are a team of deeply experienced practitioners who offer our energy and expertise to ensure the success of your software project.

Our innovations have impacted software engineering's state of the art and include the development of the world's leading UML modeling tools. Serlio's founders are former long-time members of the Rational Rose® and Rational XDE™ project teams. Our successes span diverse, challenging industries including software development tools, industrial automation, supply chain management, medical imaging, and others.

Serlio Software is a team of talented engineers and leaders experienced at getting software projects done. Our mission is to bridge the gap between the best principles in software engineering and the reality of what goes on in practice. We accomplish this through instruction, mentoring, and software development. We are committed to the success of our customers' projects.

Executive Biographies

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Matthew A. Terski, President
Matthew is a seasoned software professional with ten years of industry experience. Prior to Serlio, he was responsible for architecture and development for Rational XDE™ and Rational Rose® at Rational Software. Matthew’s computing background in Microsoft platform technologies and the Unified Modeling Language (UML) provides a solid expertise in modern software development processes. He earned a B.S. in Computer Science and Engineering from Milwaukee School of Engineering.

Ron K. Phillips, Vice President, Treasurer and Secretary
Ron’s strong, contemporary computing background includes significant experience with Sun’s J2EE and Microsoft’s .NET platform technologies and the Unified Modeling Language (UML). As the architect and project lead for numerous commercial software products, Ron’s expertise has garnered speaking engagements at national and international technology events. In addition, he has co-authored and edited several programming books. Ron earned a B.S. from the University of Washington.

Douglas Earl, Vice President
Doug has been a software development professional and entrepreneur since 1984. He has worked with companies ranging from small start-ups to large corporations. Prior to Serlio Software, Doug was responsible for software architecture and design at Rational Software, where he was a lead engineer for Rational XDE™ and Rational Rose®. Doug earned his M.S. in computer engineering from the University of Michigan, and a B.S. in Computer Science from the University of Wisconsin, Madison.

Jeffrey D. Marver, Vice President
With proven success in the development of dynamic, market-leading commercial applications, Jeff is experienced in all phases of software development. He played a key role in the development Rational XDE™ and Rational Rose®. Jeff's background also includes projects from small companies to some of the leading names in the software industry. He earned his B.S. in Computer Information Systems from DeVry University.