Management Team

Sonavex’s multidisciplinary team of surgeons, scientists, technologists and business leaders brings decades of experience in developing, commercializing, and scaling novel medical technologies

  • David Narrow
    Chief Executive Officer

    Mr. Narrow previously worked with multinational medical device companies to commercialize their technologies and provide long-term business strategy.

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  • Alex Yevzlin
    Alex Yevzlin, MD
    Chief Medical Officer

    Dr. Yevzlin is currently Professor of Medicine and Director of
    Interventional Nephrology at the University of Michigan.

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  • Michelle Zwernemann
    VP of Operations, Quality, & Strategy

    Ms. Zwernemann, MSE, is a
    biomedical engineer with over
    10 years of experience in
    medical device development
    and commercialization.

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  • John Rappe
    John Rappe
    Chief Business Officer

    Mr. Rappe most recently held the role of CBO for AV Medical Technologies, Ltd where he led all US operations from pre-commercialization to a successful exit to Medtronic.

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  • Xin “Ben” Kang, PhD
    Director of Research & Development

    Dr. Xin (Ben) Kang oversees research
    and product development in addition
    to invention and exploration of
    new projects.

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  • Katy Feeny
    Director of Clinical Affairs

    Ms. Feeny is a biomedical engineer with over 10 years of experience in the medical device industry developing and executing clinical research strategies.

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Board of Directors

  • Bill Niland

    Mr. Niland joined Harpoon Medical as its president and CEO in 2014 and has since sold the company to Edwards Lifesciences for $100M upfront and up to $250M overall.

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  • Bob Hallenbeck

    Mr. Hallenbeck has spent over 30 years working with inventors, entrepreneurs and university tech transfer offices in developing, funding, licensing and commercializing technology.

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  • Jerry Prince, PhD

    Dr. Prince is a Co-Founder of Sonavex and is the William B. Kouwenhoven Professor of Computer Engineering, Radiology and Biomedical Engineering at Johns Hopkins.

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  • David Narrow

    Mr. Narrow previously worked with multinational medical device companies to commercialize their technologies and provide long-term business strategy.

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  • Devin O’Brien-Coon, MD, MSE

    Dr. O’Brien-Coon is a Co-Founder, serves as Chairman and guides overall company development, clinical and business strategy, and R&D.

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Advisory Board

  • Randy Cooper
    Randy Cooper, MD

    Dr. Randy Cooper joined Southwest Kidney Institute (SKI), a practice with 60 nephrologists throughout Arizona, in 2002 after completing his eight-year tour of duty as a Major in the US Air Force.

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  • Terry Litchfield
    Terry Litchfield

    Ms. Litchfield’s role as a
    patient advocate began in
    the 1970s with her
    first job at the National
    Kidney Foundation.

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  • John Ross headshot
    John Ross, MD

    Dr. John Ross is widely 
    recognized as one of the
    world’s leading experts in
    vascular access.  

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