Our Team

Bill has worked at the intersection of innovation and commercialization for more than 20 years and has started four companies to date – all based in medical technology. He co-founded S4 Medical with Dr. Daoud in 2017. Before S4, Bill was CEO-in-Residence at BioEnterprise, is a co-founder and Board member at Okapi Medical, and was Founder and CEO of Centerline Biomedical. He has a BA (honors) from Capital University, and an executive MBA from Kent State University.

A passionate physician with more than 20 years’ experience treating patients with various arrhythmias, Dr. Daoud is the Chief of Cardiac Electrophysiology at The Ohio State University.  In a collaborative effort to better patient care, he helped design the esolution device. He completed his undergraduate degree at Notre Dame, medical school at University of Cincinnati, internal medicine training at Johns Hopkins Hospital, and Cardiology and Electrophysiology Fellowship at University of Michigan.

Ron has worked in the Electrophysiology space for the last 26 years. He has held various sales leadership positions with market leaders Biosense Webster and Medtronic. Ron was involved in launching key disruptive technologies including the Carto mapping system, the Thermacool Irrigated RF ablation catheter, and the Cryoballoon ablation system. He has a BA degree from Bowling Green University.

Mark came to S4 Medical with 34 years of prior experience in the medical device industry. He has held several leadership positions involving operations and product development across a wide range of medical device classes. Mark was president of the introducer and delivery system business unit at Enpath Medical, which was later acquired by Greatbatch Medical. He has a degree in Mechanical Engineering from the University of Minnesota.