He was deeply involved in the development of the UNO component model which is the foundation for the OpenOffice.org API. The OpenOffice.org community is one aspect of his daily work. He is involved in the OpenOffice.org project since the beginning, he is the project lead of the OpenOffice.org API and the Extensions project and he is a member of the OpenOffice.org Community Council. His main goal is to spread the knowledge around the programmability features of OpenOffice.org around the world and to show that it is more than only an office productivity suite. He speaks frequently about the programmability features of OpenOffice.org on international conferences.