His interests in object-oriented programming go back to 1985, long before it enjoyed the acceptance it has today. He has a broad range of software experience, having worked on development tools like VisualAge for Smalltalk, operating system performance and memory analysis, and user interface design. Dan worked as a consultant for object-oriented development projects throughout the U.S. as well as four years in Europe. His recent interests include object-oriented analysis/design, programming tools, and Web programming with the WebSphere Application Server. In May 2001, he joined the Eclipse Jumpstart team, whose primary goal is to help ISVs to create commercial offerings based on the Eclipse Platform.