Prior to joining Cactus Semiconductor he was a Senior Principal IC Design Engineer at Medtronic Inc. in Tempe, Ariz. In his 25-year career, he has defined and designed full custom mixed-signal ICs for a wide range of hand-held and implantable medical devices such as glucose meters, hearing aids, neuro-stimulators, drug infusion systems, EEG sensors, orthopedic sensors, and cardiac pacemakers. Andrew has a BSEE from New Jersey Institute of Technology.