Lee Ackerman, Master Certified IT Specialist at IBM, has extensive experience with patterns, model-driven development, Patterns-Based Engineering, XML, data, and SOA. He has spent the past few years helping IBM Rational build its Patterns-Based Engineering approach and offerings and has written and presented extensively on these topics.
Celso Gonzalez spent several years as IBM Rational Worldwide Architecture Management leader and contributor to the Rational Unified Process and is now part of the Rational Modeling development team, where he uses his expertise on patterns development to enhance Rational Modeling tools support for patterns and model analysis.