• Director, Control Systems Lab., Patras University (1974-84).
• Director, Systems and Control Div., Patras University (1982-84).
• Director, Computer Science Div., NTUA (1986-88).
• Head, Intelligent Robotics and Automation Lab., NTUA (1996-2006).
• Director, Signals, Control and Robotics Div., NTUA (2000-02).
• Director, Inst. of Communication and Computer Systems (ICCS), NTUA (1999-2009).