Ed Horst Mr. Horst has more than twenty years of experience in planning, marketing and developing distributed systems, management frameworks and development tools. He was the vice president of Marketing at OnKilter, a strategy execution software vendor, and Provato, an electronic contract management solution provider that was acquired by I-Many. Previously, he was a founding member of the marketing team at Forte and held various engineering and product management positions at Ingres.

In addition to his work at leading software companies, Mr. Horst served for several years an IT Director for Atlas Die, a Midwestern manufacturing firm, where he was an early implementer of several early-stage technologies, including CAD applications, relational databases and wide area networking systems.

Randy Heffner is a vice president and analyst at Forrester Research, where he writes primarily for Enterprise Architecture professionals. He is a leading expert on architectures and design approaches for building enterprise applications that are secure and resilient in the face of continuous business and technology change. This makes service-oriented architecture (SOA) one of Randy’s primary focus areas. Since enterprise applications need much more than SOA, Randy led the development of Forrester’s Digital Business Architecture, which provides a broad architectural context around SOA. Randy’s research include general application architecture and design issues, overall SOA strategy, SOA platform and infrastructure strategy, core SOA design concepts, Web services architecture and standards, SOA security, SOA and Web services management, as well as continuing analysis of the longer term evolution toward Digital Business Architecture. Randy has over 25 years of IT experience, ranging from big five consulting and telecommunications to retail and litigation support.