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George Leondis
President & Chief Executive Officer 了解更多 →George Leondis is President and Chief Executive Officer, and a member of the Board of Directors, of Argon Medical Devices, Inc. He has over 25 years of leadership experience in the medical device industry and is responsible for all strategic and functional areas of Argon’s business.
Previous to joining Argon in 2009, Mr. Leondis served as Corporate Vice President and General Manager of Angiotech Interventional, a subsidiary of Angiotech Pharmaceuticals, Inc., which manufactured and marketed vascular and non-vascular devices for use in Interventional Radiology, Interventional Cardiology and Vascular Surgery. In his years leading that business, he was responsible for the development and execution of its corporate strategy, guiding it to become a leading player in its market segments.
Mr. Leondis has held various management and commercial roles at companies including St. Jude Medical, Orascoptic Research and Medical Device Technologies, Inc., where he was promoted through various positions of increased responsibility. -
Scott Bishop
Vice President of Regulatory Affairs, US and Global 了解更多 →Scott Bishop is Vice President, Global Regulatory Affairs & Quality, for Argon Medical Devices, Inc. He joined the company in March of 2019 and has responsibility for regulatory affairs globally. Mr. Bishop brings over 23 years of extensive medical device experience. His leadership has been integral in driving cultural change and fostering robust partnerships across the organization.
Prior to his tenure at Argon, Mr. Bishop served as Director of Regulatory and Quality for Adient Medical based in Houston, Texas. His wealth of experience spans both small and large medical device companies, including IDEV Technologies, Abbott Vascular, ICON Clinical Research, and Beckman Coulter. Mr. Bishop began his medical device career journey as a biostatistician for a small medical device company in Webster, Texas, back in 2001 and has held roles of increasing responsibility throughout his career.
Mr. Bishop is an alumnus of Texas A&M University, College Station, Texas, holding a Bachelor of Science degree in Biomedical Science and Master of Science degree in Epidemiology.
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Meir Dahan
Senior Vice President, Research & Development 了解更多 →Meir Dahan is Senior Vice President of Research and Development for Argon Medical Devices Inc. Mr. Dahan joined the company in March of 2018 and has responsibilities for all R&D activities on a global basis. Mr. Dahan brings over 25 years of proven leadership experience to Argon from both the Medical Device and Telecommunications industries.
Most recently, Mr. Dahan served as Executive Vice President, R&D for IMRIS, a designer and manufacturer of integrated, image-guided therapy suites and products for surgical and interventional procedures. Prior to IMRIS, Mr. Dahan held several senior technical and program management positions at Baxter Healthcare in both their BioScience and Medical Products businesses.
Mr. Dahan holds a BSEE from Ben Gurion University and MSEE, and MBA from the Illino is Institute of Technology.
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Josh DeRienzis
Senior Vice President and General Counsel 了解更多 →Josh DeRienzis is the Senior Vice President and General Counsel of Argon Medical Devices, Inc. He joined the company in May 2022 with 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.
Prior to joining Argon he was Chief Legal Officer and Corporate Secretary of 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 teams. Prior to Surgalign, he was most recently Vice President, Assistant General Counsel, Corporate Secretary and Chief Compliance Officer at The Williams Companies, Inc., a Fortune 500 midstream energy company.
Josh’s previous roles included being the General Counsel of PSS World Medical, Inc., a publicly-traded medical supplies distributor, until its acquisition by McKesson Corp. in 2013, where he became the chief legal officer for McKesson’s specialty health division. Prior to PSS, Josh held roles of increasing responsibility at other large publicly-traded companies and worked at two major New York law firms.
He earned 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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Matt Edwards
Senior Vice President & General Manager, EMEA & APAC 了解更多 →Matt Edwards is Senior Vice President & General Manager, EMEA & APAC for Argon Medical Devices, Inc. He joined the company in December of 2020 as Vice President, EMEA, and has responsibility for sales in Europe, Middle East, and Africa. Mr. Edwards has over 20 years of experience in medical device sales, distribution and general management, specializing in high growth and disruptive technology environments. He brings solid experience within the vascular and interventional business.
Most recently he served as Vice President International, Sales & Operations with Insulet Corporation, where he played a critical role in building and carrying out the growth strategy.
Previous to joining Insulet Corporation, Mr. Edwards worked as General Manager with Endologix, a vascular company.
Mr. Edwards holds a Bachelor of Science degree in Design, Technology and Business (of honors standard). Matt is based in Northamptonshire in the United Kingdom.
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Jorge Lopes
Senior Vice President, Global Operations 了解更多 →Jorge Lopes is Senior Vice President, Global Operations for Argon Medical Devices, Inc. He joined the company in April of 2025. He brings to Argon more than 30 years of Operations experience in medical devices; including manufacturing, new product development, quality and end to end supply chain.
Most recently, Jorge served as Chief Operations Officer, for QMed Innovations. Prior to QMed, Jorge was the President/Co-Lead of Global Procurement for Olympus Surgical Technologies of America, where he helped with the transformation of Olympus Corp becoming a leading medical device company. Previously he spent 26 years at DePuy Synthes a Johnson & Johnson Co. in roles of increasing responsibility.
Jorge holds an MBA and a bachelor’s degree in operations from the University of Massachusetts.
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Vicky Shen
Senior Vice President & Chief Financial Officer 了解更多 →Vicky Shen is Senior Vice President & Chief Financial Officer of Argon Medical Devices, Inc. She has extensive experience in global public companies and Big Four consulting and is responsible for leading global finance and IT operations for Argon.
Previous to joining Argon in 2024, she served as Senior Vice President of Finance for the Japan, Asia Pacific Region (“JAPAC”) at Edwards Lifesciences, a Fortune 500 medical device company. In this role, she acted as a strategic partner to the leadership team, providing financial analysis, long-range planning and operational oversight for the JAPAC region.
Her career has spanned multiple finance disciplines: regions, business units, and corporate functions. She has also served as the Vice President of Finance for the Global Critical Care Business Unit and previously held the position of Director of Corporate Financial Planning and Analysis at Edwards.
She holds a Bachelor’s degree in Accounting from the University of Southern California and is a Certified Public Accountant in California.
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Shirley Shi
Senior Vice President & General Manager, China 了解更多 →Shirley Shi is the General Manager of Argon Medical Devices China. Ms. Shi brings over 20 years of experience in the medical device, IVD and pharmaceutical industries to Argon.
Prior to joining Argon in 2019, Ms. Shi served as the Marketing Director for Roche Diagnostics China as well as Sales & Marketing Director of the interventional and infusion product lines at Becton Dickenson. Ms. Shi previously held management and commercial roles in the following top pharmaceutical companies, Novartis, AstraZeneca, and MSD. Before starting her career in industry, Ms. Shi was a Hematologist at Xinhua Hospital affiliated with the Shanghai Jiaotong University Medical School.
Ms. Shi holds a Bachelor of Clinical Medicine from Shanghai Second Medical University and Fudan University and a Master of Business Administration from HKUST Business School of Ohio State University.
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Pete Stibbs
M.D., Senior Vice President, Medical Affairs & Medical Director 了解更多 →Pete Stibbs, M.D., is Senior Vice President, Medical Affairs & Medical Director for Argon Medical Devices, Inc. He joined the company in July of 2012 and has responsibility for global clinical education and medical affairs. Dr. Stibbs brings over 22 years of clinical experience focused on invasive and image-guided medical procedures.
Most recently, Dr. Stibbs served as Vice President of Global Medical Affairs at Argon Medical Devices, as well as teaching in academic settings focusing on vascular disease and vascular biology.
Dr. Stibbs holds a Bachelor of Science in Advanced Radiologic Sciences from Weber State University, Master of Business Administration in International Business from Louisiana State University, Master’s in Clinical Trial Sciences and a Doctorate in Medicine and a Doctorate in Health Sciences with a specialty focus in vascular disease from the University of Nottingham/USAT.
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John Walter
Senior Vice President, CPS Sales 了解更多 →John Walter is Senior Vice President, CPS Sales for Argon Medical Devices, Inc. He joined the company in December of 2021 and has responsibility for sales supporting the CPS business.
Mr. Walter brings over 30 years of experience in engineering, operations and sales, with the last 13 years in the medical device industry.
Mr. Walter holds a Bachelor of Science degree in mechanical engineering technology as well as a Master of Business Administration degree from the University of Dayton.
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Tom Younker
Senior Vice President, Global Marketing 了解更多 →Tom Younker is Senior Vice President, Global Marketing for Argon Medical Devices, Inc. He joined the company in 2013, and has responsibility for Upstream and Downstream Marketing. Mr. Younker has been a key contributor to the Marketing department, where he has excelled in a variety of Marketing roles. Mr. Younker has over 12 years of experience in the medical device industry.
Mr. Younker’s previous role was a Group Product Director responsible for growing awareness and utilization of Argon’s vascular product portfolio. Prior to Argon, Mr. Younker spent 7 years with St. Jude Medical’s Neuromodulation Division as a Director of Product Management working with Neurosurgeons and Pain Management Physicians to improve Spinal Cord Stimulation and Deep Brain Stimulation therapies.
Mr. Younker is a veteran of the U.S. Air Force where he served as an Acquisitions Officer. He holds a Bachelor of Science degree from the United States Air Force Academy.