Rob Cessac

Rob Cessac is a seasoned professional in the field of medical physics and engineering, currently serving as a Senior Physics Specialist at RaySearch Laboratories since October 2025. With a career trajectory that includes significant roles at ZAP Surgical Systems, Inc. as Clinical Engineering Director, R&D, and Director of Clinical Operations, as well as extensive experience at Mevion Medical Systems in technical and product management, Cessac has demonstrated expertise in clinical applications and customer support. Previous roles also include Medical Physicist positions at Missouri Baptist Medical Center and Oklahoma Oncology & Hematology, along with product management at Elekta, where Cessac was instrumental in developing advanced treatment planning systems. Cessac's educational background includes a Master of Science in Health Physics from the Illinois Institute of Technology and dual Master’s and Bachelor’s degrees in Computer Science and Physics from Missouri University of Science and Technology.