Senior software engineer who also heads up KDAB’s French office, David is a Qt user since its beginning. He has made numerous contributions to Qt, including new classes for QtCore in Qt 5. David is well known in the KDE project for his work on the web browser and especially on KDE Frameworks. He has taught Qt development at numerous conferences and to companies such as Michelin, Schlumberger and Orange. He has become a specialist in multithreading with Qt, as well as performance optimizations. David holds an MSc in Computer Science.