Management Team

About Us

Our Management Team

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

timothy fischer

Timothy Fischer
President and Chief Executive Officer

Timothy Fischer has been a pioneer in the in vitro diagnostics industry in the fields of hematology, oncology and pathology for the past 25 years.

He has led the design, development and commercialization of dozens of novel diagnostic products. He holds over 40 patents and has authored numerous publications. Prior to joining HemoSonics, Fischer served as Chief Operating Officer for LipoScience, a publicly traded in-vitro diagnostics company, where he led the successful development of the Vantera® Clinical Analyzer from concept through development, regulatory approval and market adoption. Previously, he served as Vice President of Development for the Women’s Health and Cancer business unit at Becton Dickinson and as the Vice President of Product Development for TriPath Oncology. Fischer holds a Bachelor of Science degree in Biology from Indiana University.


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.


remi corlin

Remi Corlin
Vice President, International Markets

Remi Corlin has been in the medical device and diagnostic industry since 1998.

He was with Haemonetics from 1998 to 2012 with his last 8 years as President Asia Pacific. In 2012, Corlin was appointed CEO of Virgin Health Bank, a cord blood bank establishing the first stem cell preservation program dedicated to ethnic minorities. In 2013, Corlin established Strategic Life Sciences Consulting to advise medical technical companies with their commercialization strategies. Corlin is also a non-executive Director at Adlens Ltd, a global leader in variable power optics.


rick epps

Rick Epps
Vice President, US Sales and Marketing

Rick Epps delivers more than 25 years of experience in the life sciences industry, including 12 years focused specifically on point-of-care blood diagnostic systems.

Prior to joining HemoSonics, Epps was General Manager, US, for TEM Systems, a medical technology company offering the Rotem Delta Hemostasis diagnostics solutions. Previously, he was Senior Vice President, Sales and Marketing, of Epocal, which was acquired by Siemens. At Epocal, he was responsible for sales of the epoc® Blood Analysis System. Epps also served in Sales Leadership positions with I-STAT, which was acquired by Abbott. Epps earned a Bachelor of Science degree in Business Administration from The Citadel.


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.


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.


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
Senior Director, 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.


steve erwine

Steve Erwine
Financial Controller

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.

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The Quantra® System

Learn more about the features of our next-gen device designed for the POC and how it empowers clinicians to more quickly make critical treatment decisions.

View the System

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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.

Explore Publications