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Archives: Team

Mark Pickrell

Chief Administrative Officer & General Counsel

Mark Pickrell provides legal, financial, and administrative leadership to the Virtuoso Surgical team. He has spent 25 years advising and representing companies, entrepreneurs, and investors on matters related to corporate formation and governance, contracting, intellectual property, securities, and legal and regulatory compliance. He is a graduate of Harvard College and the University of Tennessee College […]


Richard Hendrick

Chief Operating Officer & Lead Engineer

Richard Hendrick leads and manages all engineering and day-to-day business operations at Virtuoso Surgical. He has spent his career improving surgery through engineering novel medical devices. He received his Ph.D. from Vanderbilt University, where his research focused on the technology at the heart of the Virtuoso device. Before graduate school, he began his career at […]


Robert Webster

President & Chief Technology Officer

Robert Webster is the primary inventor of the technology at the heart of the Virtuoso device and provides strategic technical leadership to the Virtuoso Surgical team. He is professor of mechanical and electrical engineering at Vanderbilt University, where his research focuses on the intersection of engineering and surgery. Throughout his academic career, he has invented […]

S. Duke Herrell

Chief Executive Officer & Chief Medical Officer

Duke Herrell provides strategic clinical leadership to the Virtuoso Surgical team. He is a urologic surgeon and pioneer in robotic surgery and minimally invasive surgical approaches. He is the director of the robotics committee at Vanderbilt University Medical Center and is a co-founder of the Vanderbilt Institute in Surgery and Engineering (VISE). Dr. Herrell’s research […]

Rob Waggener

Rob was most recently Chief Executive Officer at Foundations Recovery Network, LLC, before its sale to Universal Health Services, Inc. As CEO at FRN, Rob led the expansion and development of the company from startup to exit. Prior to FRN, he served as Chief Executive Officer of Lakeside Behavioral Health System.

Mark Richter

Dr. Mark Richter has more than 20 years of experience in the medical device startup environment.  He founded and served as president for MAX mobility, an assistive robotics company with multiple products including several kinds of robotic wheel chairs, among other assistive devices.  He led MAX mobility from startup to successful exit. He has served […]

Thomas Kasser

Thomas R. Kasser previously held the role as Senior Vice President of Intrexon Corporation and built the foundation for taking the company public in 2013. He served on the executive team of Covance, Inc., with previous roles at Monsanto Company as General Manager and Senior Science Fellow. He retains a seat on the MFG Chemical […]

Charles Gavin

Charles founded and served as CEO of MFG Chemicals. He was the first to successfully develop acid-dyed filament carpet, now an industry standard. Charles was inducted into the Alabama Engineering Hall of Fame in 2016. He is a philanthropist, providing scholarship support to several universities, including a major gift to Auburn University to found the […]


Michael Fabrizio

Michael D. Fabrizio, M.D., F.A.C.S., has been recognized by Castle and Connelly as a Top Urology Doctor in the United States and was involved in Computer Motion’s Zeus Robotic FDA trials. He has been involved in over 100 clinical trials for a range of applications and has a keen interest in minimally invasive surgery and […]

Brandon Ewing

Brandon Ewing was most recently CEO and President of Server Technology Inc., and he oversaw the growth of the company as it became a leading establishment in a lucrative marketplace. Brandon led the company in the expansion of manufacturing capabilities across the globe, including China, South Korea, Mexico and the U.S. He currently advises several […]