Paul VanderLei is a partner at Band XI International. He has more than 25 years of software engineering experience with an emphasis on object-oriented design and Agile practices. He is well-known for his innovative, yet straightforward, engineering solutions to complex problems. After earning his M.S. in Computer Science from Arizona State University, he joined Object Technology International and worked on a wide range of Smalltalk-based systems. After OTI’s acquisition by IBM, Paul gained more than 10 years of experience developing embedded Java applications and user interfaces for the automotive and medical industry as a founding member of the IBM Embedded Java Enablement Team. He has been using OSGi in commercial applications since 2000 and is a coauthor of OSGi and Equinox (Addison-Wesley), a book on the proper construction of Java applications using OSGi. He lives in Grand Rapids, Michigan, with his wife and four children.