Pierre-Francois Rüedi received the M.S. degree in microtechnology from the Swiss Federal Institute of Technology (EPFL), Lausanne, Switzerland, in 1990. From 1990 to 1992, he was a Research and Development Engineer with Seiko Instruments, Matsudo, Japan, where he was involved in the design and characterization of SRAM memories. Since 1992, he has been with the Swiss Centre for Electronic and Microtechnology (CSEM), Neuchâtel, Switzerland, where he is currently Head of SoC & Mixed-Signal Design Group with Microelectronics Division. His research interests include analog- and mixed-mode design of low power circuits for sensor interface. In particular, he has recently worked on circuits for retinal implants.