Management Team

About Us

Our Management Team

We have a proven track record of success in technology discovery, device development, FDA approval and commercialization.

bob roda

Bob Roda President and Chief Executive Officer

Robert A. Roda (Bob) joined HemoSonics in February 2020 as the company’s President and CEO, bringing more than 25 years of global experience developing and commercializing innovative diagnostic and medical device products and services.

Most recently Bob Roda served as President and CEO of Menarini Silicon Biosystems, Inc, a diagnostic and biotech company focused on the use of liquid biopsy and predictive diagnostic tests for the treatment of cancer patients. Prior to that position he was Vice President and General Manager at Becton Dickinson where he led the medical and procedural solutions business in the US.  From 1998-2012, Bob held positions of increasing responsibility at Johnson & Johnson in both the medical device and diagnostic sectors, with his last role being WW VP Marketing in Immunohematology, Donor Screening and Clinical Laboratories at Ortho Clinical Diagnostics, a J&J company.  Bob earned a Bachelor of Arts degree in Economics from the University of Rhode Island and completed post graduate course work at Kellogg Graduate School of Management.

francesco viola

Francesco Viola, PhD Founder and Chief Scientific Officer

Francesco Viola, PhD, has more than 10 years of experience in the area of medical ultrasound imaging, advanced signal processing and development of medical instrumentation.

Viola has published his research in numerous engineering and biomedical peer-reviewed journals and he is the co-inventor in a number of patents in the field of ultrasound imaging and sensing. He is also the first recipient of The Emerging Technologies and Healthcare Innovations Congress (TETHIC) Award for achievements in scholarship and contributions to healthcare technology translation. Viola holds a Laurea in Biomedical Engineering from the Polytechnic University of Milan, Italy, and a PhD in Biomedical Engineering from the University of Virginia.

steve erwine

Steve Erwine Chief Financial Officer

Steve Erwine has more than 20 years of experience in the medical device industry, with a background in Finance, IT, Administration and Supply Chain Management.

Prior to HemoSonics, he was Director of Finance and Operations Support for St. Jude Medical (Abbott) from 1998 until 2017. Before that, he held various positions in Finance and Supply Chain Management in the power generation, electronics and marine industries. Erwine earned a Business degree from the University of Akron, and an MBA from Gardner-Webb University.

Lee DeGeer

Lee DeGeer Chief Commercial Officer

Lee DeGeer brings to HemoSonics over 20 years of Sales and Marketing and International Commercialization experience in Medical Diagnostics.

Prior to joining HemoSonics, Lee spent 6 years at Leica Biosystems. In 2016 he was appointed Vice President and Global Head of Advanced Staining Reagent Business at Leica. Before this, Lee spent 3 years as the VP of Sales for Leica, North America. Prior to Leica, he held several positions of increasing responsibility in both Sales and Marketing, over a 15-year span, at Ventana Medical Systems and later at Roche Tissue Diagnostics, after Roche purchased Ventana in 2008. He led both the international expansion of Roche Tissue Diagnostics globally from 2008 to 2010, and led the Marketing department for the North American Commercial Organization from 2010 to 2013. A former U.S. Army Special Forces officer, Lee is also graduate of the Harvard Business School High Potential Leadership program and holds a Bachelor of Science degree in Political Science (with an emphasis in International Relations) from the University of Utah.

David Bryant

David Bryant Vice President, Operations

David Bryant has 25 years of experience in the development and manufacture of in vitro diagnostics and laboratory automation.

He has successfully led product development efforts from concept through worldwide release. In addition to product development and program management, he has experience in validation, calibration, process engineering and high-speed automation. Bryant earned a Bachelor of Science degree in Industrial Engineering from North Carolina State University.

Deborah Winegar

Deborah Winegar, PhD Vice President, Clinical Affairs

Deborah Winegar has more than 20 years of experience managing clinical and discovery research efforts at a variety of healthcare, medical device and pharmaceutical organizations.

She has led multi-disciplinary project teams focused on the discovery and development of therapeutic agents, biomarkers and diagnostic products in the cardiovascular and metabolic disease areas. Prior to joining HemoSonics, Winegar served in multiple roles at GlaxoSmithKline, as Director of Research at Surgical Review Corporation and as Senior Director of Clinical Trials at LipoScience. She earned a Bachelor of Science degree in Chemistry from Notre Dame College and a PhD in Biochemistry from the University of Virginia.

Thomas Givens

Thomas Givens Vice President, Research and Development

Thomas Givens has 30 years of experience leading interdisciplinary engineering teams and developing medical devices.

He has developed in vitro diagnostic devices based on a variety of detection technologies for multiple clinical laboratory areas. Givens earned a Bachelor of Science in Biomedical Engineering from The University of Tennessee and a Masters of Science in Mechanical Engineering from Duke University.

Anne Zavertnik

Anne Zavertnik Vice President, Regulatory Affairs and Quality Systems

Anne Zavertnik is a 20+ year veteran of regulatory affairs, quality assurance and compliance in medical devices, in vitro diagnostics and over-the-counter drug development.

During her career, her regulatory responsibilities include numerous product submissions for US and worldwide markets and quality leadership includes facilities in eight countries. Compliance achievements include obtaining first-time ISO 13485 Quality Management System Certifications. Prior to joining HemoSonics, Zavertnik served in a senior regulatory affairs role at C.B. Fleet Laboratories. Previously, she held numerous positions in regulatory affairs and quality at Bausch & Lomb, Eastman Kodak and Ortho Clinical Diagnostics. She earned a Bachelor of Science degree in Biology from the University of South Carolina.

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Explore the System

Learn more about the features of our next-gen device designed for the POC and how it empowers clinicians to quickly assess coagulation characteristics.

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Explore Scientific Publications

See articles on clinical studies and sonorheometry as well as the full list of guidelines calling for point-of-care coagulation analysis.

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