Dennis has worked in implantable medical device R&D for over 25 years holding both functional and management leadership positions. He joined Ventritex in the development of implantable cardiac defibrillators to treat ventricular fibrillation.

At Ventritex (St Jude Medical), he led efforts in pre-production reliability, and mechanical product design and verification. Dennis was an early employee at NeuroPace. As Sr. Director he led the mechanical team from concept to commercialization in the development of a cranially mounted implantable responsive neurostimulator system to treat epilepsy. His skills include electronics packaging, biocompatible materials, process technologies, design and process verification and validation, manufacturing operations, project management and design controls. Dennis earned his B.S. & M.S. Mechanical Engineering from Santa Clara University.