Key Personnel

Dr. Gavin Braithwaite, Chief Executive Officer

At Cambridge Polymer Group, Gavin handles day-to-day operational concerns and guides the overall strategic direction of the company. He is also actively involved in project work.  He received his BS in Physics from Edinburgh University, his MS in Electrical Engineering from Southampton University, and his Ph.D. in Chemical Engineer from Imperial College. He was a post-doctoral fellow at Harvard University and the Massachusetts Institute of Technology, where he designed and tested a micro-shear rheometer. Gavin is author on multiple technical publications ranging from the use of atomic force microscopy in colloid stability to measurement and modification of native tissue for biomedical purposes. In addition, he holds multiple patents on hydrogel formulations, biomedical materials and analytical instrumentation.

Dr. Stephen Spiegelberg, Chief Scientific Officer

Steve has over 30 years of experience in analytical characterization of materials. He has a B.Sc. in Chemical Engineering from the University of Wisconsin-Madison, and a Ph.D. in Chemical Engineering from MIT. Before forming Cambridge Polymer Group, Steve conducted post-doctoral research at Harvard University, where he examined the extensional rheology of polymer solutions. His work at Cambridge Polymer Group has focused heavily on polymers used in biomedical applications, including polyethylene and various hydrogel systems. He has also designed test methodologies, processing steps for the crosslinked polyethylenes used in hip and knee replacements, device design and testing, and holds several patents in this area. He has experience in instrument design and fabrication. He chairs several ASTM task forces.

Jaimee Robertson, Director of Consulting Services

As Director of Consulting Services at Cambridge Polymer Group, Jaimee Robertson develops new medical devices from initial specifications through concept refinement and product manufacturing, helping clients turn their product visions into reality.  Drawing on her years of experience in medical device innovation, she develops custom analytical techniques to characterize polymeric materials, including in-vitro test assays for screening product performance in simulated end-use conditions. Jaimee performs root-cause analysis on medical devices to assess potential and actual failure modes. She received her B.S. in Chemical Engineering and Mathematics and her M.S. in Chemical Engineering at Syracuse University.

Norma Turner, Director of Analytical Services

Norma Turner brings 19 years of experience in polymer characterization and development within the medical device industry. Her career began with a focus on polyesters for tissue scaffolding applications. Since joining Cambridge Polymer Group, Norma has enjoyed a progressive career path, working across a diverse range of materials throughout the entire manufacturing process, from raw materials to final finished devices. Her expertise encompasses key medical device materials such as bone cement, UHMWPE, and hydrogels. In recent years, Norma has shifted her focus towards risk assessments and navigating regulatory agency interactions for medical devices. This deep understanding of both material science and regulatory requirements allows her to effectively guide clients in achieving successful product development and commercialization. Norma received her B.Sc. in Chemical Engineering from University of Alberta, Edmonton and her M.S. from Queen's University at Kingston, Ontario.

Dr. Rebecca Bader, Associate Director of Chromatography and Biocompatibility/Risk Assessment Expert

Dr. Rebecca (Becky) Bader is the Associate Director of Chromatography and biocompatibility specialist at Cambridge Polymer Group. Prior to returning in 2023 after initially working for Cambridge Polymer Group from 2017-2020, Becky was Biocompatibility Engineering Manager at ZOLL Medical Corporation where she ensured biocompatibility and material compliance with harmonized standards and global regulatory requirements. Becky has over 20 years of experience in polymeric materials, drug delivery, medical device, and analytical chemistry. She is currently advancing analytical techniques for materials characterization at Cambridge Polymer Group. Becky has a B.S. in Chemistry from Rochester Institute of Technology, an M.S. in Chemistry from Princeton University, and a Ph.D. in Materials Science from Oregon State University.

Mary Osward, Quality Manager

Mary manages CPG's Quality Systems program. Mary has a BS in Chemistry from Bridgewater State and a Masters in Management from Emmanuel College. Mary has worked as the laboratory manager for a consumer products company, as well as the Quality Manager for Emerson & Cuming. At CPG, Mary ensures that CPG's quality programs and procedures are consistent with national and international standards, where applicable, and that regular improvements are made to provide the best service possible to our clients.