About the Reviewers

Mark Little is one of the primary authors of the OMG Activity Service specification and is on the expert group for the same work in J2EE (JSR 95). Mark is also the specification lead for JSR 156: Java API for XML Transactions. He is on the OTS Revision Task Force and the OASIS Business Transactions Protocol specification. Before joining HP he was, for over 10 years, a member of the Arjuna team within the University of Newcastle upon Tyne (where he continues to have a Visiting Fellowship). His research within the Arjuna team included replication and transaction support, including the construction of an OTS/JTS-compliant transaction processing system. Before Arjuna Technologies, Mark was a distinguished Engineer/Architect within HP Arjuna Labs, Newcastle upon Tyne, England, where he led the HP-TS and HP-WST teams, developing J2EE and web services transactions products respectively. Mark has published extensively in the Web Services Journal, Java Developers Journal, and other journals and magazines.

Dave Shaffer has held senior consulting, management, and software development roles over the last 15 years in a wide-range of technology companies including Oracle, Collaxa, Apple Computer, NeXT Software, and Integrated Computer Solutions. He has helped organizations ranging from early-stage startups to Fortune 10 companies to design, implement, and manage mission-critical software systems for e-commerce and business process automation in the financial services, telecommunications, and manufacturing sectors. At Oracle, Dave is responsible for BPEL customer success, for both pre-sales POCs and post-sales project implementations. Dave is a former faculty member of the Computer Science department at the University of Vermont and holds an MS in Computer Science from the University of Massachusetts.