He has been involved with software since before the days of curly braces and has worked at research institutes (CNET, IMEC, IMAG, NCSA), in product development, for professional services companies, and in academia. He co-authored Integration Patterns (Microsoft Press, 2004) and was the lead editor of Pattern Languages of Program Design, Volume 5 (Pearson Education, 2006). Prior to joining Microsoft he developed and led ThoughtWorks' Architecture Evaluation practice, assisting Global 1000 companies with the evaluation and design of software architectures. He holds a PhD in Computer Science from the University of Illinois at Urbana-Champaign. More information about his research and interests is available from micro-workflow.com.