His research interests are in the design of analog and mixed-signal integrated circuits, and especially in analog and mixed-signal CAD tools and design automation (modeling, simulation and symbolic analysis, analog synthesis, analog layout generation, analog and mixed-signal testing). He is coordinator or partner of several (industrial) research projects in this area. He has authored or coauthored one book and more than 100 papers in edited books, international journals and conference proceedings. He regularly is a member of the Program Committees of international conferences (ICCAD, ED&TC...), he has served as Associate Editor of the IEEE Transactions on Circuits and Systems, part I, and is a member of the Editorial Board of the Kluwer international journal on Analog Integrated Circuits and Signal Processing. He is a member of IEEE and ACM.