Corporate Information

Leadership

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  David C. Dvorak

  Executive Chairman

  David has had a long career in the medical device industry, particularly in the orthopedics industry, and in board and board committee work.

  David spent 16 years at Zimmer Biomet Holdings, Inc. where he rose to the position of president and chief executive officer. During his tenure as CEO, David successfully grew revenues from $3.5 billion to $7.7 billion. He championed the $13.4 billion acquisition of Biomet, Inc. as well as multiple other acquisitions, including surgical robotics provider Medtech SA. David has long recognized that enabling technologies, data and analytics are key components for improving the outcomes of surgery. David also currently serves as chairman of the board and chief executive officer at Deep Think Health, Inc. and managing director at Black Lake Expeditions, LLC.

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  Stuart Simpson

  President & Chief Executive Officer

  Stuart has over two decades of experience in the medical devices industry and a deep understanding of the orthopedics and orthopedic surgical robotics market. Prior to joining THINK Surgical, Stuart had a successful 24-year career at Stryker Corp. holding roles of increasing responsibility ultimately assuming the position of president of joint replacement. He led Stryker into the robotics market in 2013 with the $1.65 billion acquisition of Mako Surgical Corp. Stuart recognizes that a successful robotics business requires a digital and data ecosystem and he has formed strategic partnerships to bring these capabilities to THINK Surgical. Stuart has extensive experience as a board and committee member of both public and private companies and currently serves as executive chairman of Breg, Inc.

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  Chris Marrus

  Executive Vice President

  Chris brings more than two decades of experience in the medtech and surgical robotics sector, having played instrumental roles in scaling high-growth companies. He previously served as Area Vice President at Intuitive Surgical, the market leader in robotic surgery, where he helped drive growth from a $1 billion to $10 billion valuation. He later joined Mako Surgical Corporation as Senior Vice President of Sales, contributing to its revenue growth to $100 million. After Mako Surgical Corporation was acquired by Stryker, he continued with the combined organization, serving for over six years as Vice President of Robotic Sales and Service. Most recently he served as Chief Commercial Officer at Synaptive Medical.

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  Mark Ibison

  Chief Financial Officer

  Mark has served as our Chief Financial Officer since September 2023. He has over 20 years of experience supporting businesses across different industries, including 10 years in life sciences.

  Mark spent 6 years at Thermo Fisher Scientific where he was the Divisional CFO for a multi-billion-dollar division. In recent years, Mark has been CFO for 3 early-stage, private companies including Mesa Biotech where he was part of the team that scaled revenue 15X during COVID, prior to selling the business to Thermo Fisher for up to $550M. His most recent role was at Visby Medical where he led the $135M Series E financing and drove significant operational improvements. Mark’s roles have also provided broad supply chain experience, improving the cost base of high-volume, low-margin businesses as well as scaling rapidly during periods of high growth.

  Mark is a chartered management accountant (CIMA), a member of the Association of Corporate Treasurers (ACT) and has a BA in Law from Brunel University.

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  Josh DeRienzis

  Chief Legal Officer

  Josh brings over 25 years of experience advising senior management and Boards of Directors in a variety of industries on critical legal and strategic matters, with a focus on securities, finance, mergers and acquisitions, commercial transactions, governance, and litigation. He has extensive medical device industry experience with prior experiences at Argon Medical Devices, Surgalign Holdings, Inc. (f/k/a RTI Surgical, Inc.), a publicly-traded medical device company where he led the global, legal, IP, compliance, and human resources team, and PSS World Medical, Inc., a publicly-traded medical supplies distributor, until its acquisition by McKesson Corp where he became Chief Legal Officer for McKesson’s specialty health division.

  Josh holds a bachelor’s degree from the State University of New York at Albany and a Juris Doctor from the Benjamin N. Cardozo School of Law.

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  Chris Fronk

  Chief Commercial Officer

  Chris has two decades of experience in selling enabling technologies in orthopedics and has excelled in his career by building strong partnerships with customers, sales colleagues, corporate colleagues, and implant sales representatives. Prior to joining THINK Surgical, he had a successful 17-year career at Stryker Corp. where he sold orthopedic instruments, surgical navigation, and Mako surgical robotics technologies. Chris has great instincts regarding customer expectations, commercial models and user experiences with enabling technologies.

  Chris holds a BA in Marketing from Stetson University and has been recognized with numerous outstanding sales and career achievement awards.

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  Bruno Filliat

  Chief Technology Officer

  Bruno has over two decades of experience leading global research and development programs within the healthcare industry. He has extensive technology development experience in medical imaging, surgical robotics, healthcare IT, and industrial automation companies including GE Healthcare, Hill-Rom, Asensus Surgical, Danaher, and Ziteo Medical. Bruno has developed a strong technical and industry background in medical devices, electronics, and software systems. He develops strong teams focused on multifunctional program management, new product introduction, product management, and technology innovation.

  Bruno holds a PhD in Electrical Engineering from the University of Manchester and an MS in Electrical Engineering from Paris-Saclay University.

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  Nick Margree

  Chief Growth Officer

  Nick has over two decades of experience in sales and marketing within the medical device industry for both private and publicly traded organizations. Nick has held senior positions in general management and brand strategy for robotic, digital, and consumable technologies within the global orthopedics market. Prior to joining THINK Surgical, Nick worked for Stryker Corp. and was instrumental in developing the European orthopedic robotics market.

  Nick has a BSc. in Pharmacology from University of Bristol and an Executive MBA from University of Bath.

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  Jonathan Gibson

  Vice President Marketing

  Jon has extensive experience in the commercialization of disruptive technologies within the medical devices industry.
  Jon has held leadership positions in both sales and marketing and prior to joining THINK Surgical he was the product manager for the Mako Total Knee Application at Stryker Corp. He has significant experience in marketing with a focus on user experience and driving utilization of new technologies.

  Jon has a BS in Marketing and a MBA in Business Management from Seton Hill University.

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  Park Mehendale

  Vice President Operations

  Park has a long career history in global operations, supply chain, and engineering management within the medical devices industry. Prior to joining THINK Surgical, Park served in senior leadership roles in operations, manufacturing engineering and new product commercialization across multiple sites in organizations including Conformis Inc., Stryker, Zimmer-Biomet, and United Technologies. Park has significant experience in supply chain scale-up with a focus on quality and profitability.

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  Meliha Mulalic

  Vice President Quality Assurance & Regulatory Affairs

  Meliha has over two decades of experience in QA and RA within venture funded and public medical device companies. Prior to joining THINK Surgical, Meliha was successful in the development and execution of regulatory submissions including 510(k)s, IDEs and CE marks for various medical device companies including Evolve Manufacturing Technologies, Inc., Hansen Medical Inc., DePuy Spine, and Johnson & Johnson. Meliha has extensive experience with complex development projects involving both capital equipment and disposables, providing leadership, guidance and ensuring compliance with regulations and standards.

  Meliha is a registered nurse and holds a BS in Medicine from Medical University of Sarajevo. Meliha has been recognized with numerous awards including Lead Auditor ISO 13485 (RABQSA/Exemplar Global, License Q20138).

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  Jay West

  Vice President Research & Development

  Jay has over two decades' experience in the medical device industry, including research, engineering, and subsequently leadership positions at companies including Accuray, Elekta, Varian, and Roche Diagnostic Solutions. He has a track record of building high functioning teams centered around empowerment, cross functional collaboration, and agile development concepts. He is a subject matter expert, and has many published journal papers and patents, in the fields of image registration, image-guided procedures, and accuracy prediction.

  Jay holds a BA and MA in Mathematics from the University of Cambridge, and an MS and PhD in Computer Science from Vanderbilt University.

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  Joel Zuhars

  Vice President Innovation

  Joel has extensive knowledge and experience in the creation of medical devices, with the majority of that expertise in surgical robots.

  Prior to joining THINK Surgical, Joel gained decades of engineering experience with several global medical device manufacturers including Zimmer and General Electric.

  Joel participated in the AAMI robotics committee and served on an international standards committee for a new medical robotics standard (80601-2-77). Joel was jointly awarded the Computerworld Smithsonian Award for Arts and Science for Medicine in 1992 for the original ROBODOC system.

  Joel holds a MS in Electrical and Computer Engineering from University of California at Davis and BS in both Electrical Engineering and Computer Science from Washington University in St. Louis.

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