Company Directors

The Company’s management has demonstrated success in developing and selling synthetic bone graft materials in the US market. Members of the management team were part of the senior executive team that guided ApaTech Ltd., building sales of the Actifuse® Synthetic Bone Graft product line from inception to its subsequent sale to Baxter International Inc. in 2010.


Paul Byerley - Chief Executive Officer

Paul is an experienced commercial leader of startup and early stage companies in the U.S. with 27 years of sales and distribution experience in biologics and medical devices. Paul served as Vice President of Sales for Benvenue Medical, Baxter Biosurgery, ApaTech Ltd, and Interpore Cross. He has been responsible for regional sales and distribution for Endius, Surgical Dynamics (U.S. Surgical), Surgin, and the Iolab subsidiary of Johnson & Johnson. He was Vice President of Orthobiologics responsible for Actifuse sales throughout the U.S. Paul has a bachelors degree in Molecular Biology from California State University, Northridge.

James J. Cassidy, Ph.D. - Chief Operating Officer & President

Jim has established a solid track record of accomplishment in the medical device industry as Chief Executive of successful companies like Electromed (NYSE:ELMD), CERAbio, and Cartificial A/S. He served as Chief Operating Officer/Vice President at ApaTech Ltd, Vertebral Technologies, and KMI. He began his career with Collagen Corporation and Smith & Nephew plc. He has 20-plus years of experience in orthobiologics business and product development and has brought ten advanced medical products to market in the last decade. He was the Vice President of Global Development of ApaTech, developers of Actifuse. Jim has a doctorate in Biomedical Engineering from Case Western Reserve University.


Prof. Dr. rer. nat. Thomas Gerber – Director

Thomas is the inventor of the NanoBone technology. In addition to being a Managing Partner of Artoss GmbH, he is the Chair of Nanostructured Materials at the University of Rostock Physics Institute, Germany. He has been Assistant and later Professor of Physics at the University of Rostock since 1980. Since 1997, his research has focused on bone structure, regeneration, and biomaterials. He is the author of multiple peer-reviewed papers and holds several patents in nanotechnology, orthobiologics and materials science. Thomas received his doctorate in Physics from the University of Rostock.

Dr. rer. nat. Walter Gerike – Director

Walter is the Chief Executive and Managing Partner of Artoss GmbH. He has over twenty years of experience in senior management of healthcare companies with particular expertise in research and development, clinical trials, reimbursement, sales, and marketing. He was the co-founder and managing partner of Teraklin GmbH (later Teraklin AG), a developer of artificial liver support products. Prior to that time, he was a research associate in the Department of Medicine at the University of Rostock. Walter received his doctorate in Physics from the University of Rostock.