Since 1986, he is member of the European Space Research and Technology Center of ESA in the Netherlands. Serge has a long experience in the development of software systems for monitoring and controlling space systems and for testing them. Serge is also widely involved in the development of space system database software used by all main European industrial and agencies partners to maintain and exchange space system knowledge during their development as well as in flight operations. Serge is also involved in the European Cooperation for Space Standardization (www.ecss.nl) and has supported the production of several ECSS Ground Segment and Operations standards.