John Lippert

Founder, CEO, Chairman and Engineer

John brings an extensive background in medical devices from his roles as the founder of Scientia Vascular and Precision Vascular Systems and in engineering management at Target Therapeutics and Advanced Cardiovascular Systems. John is primary inventor on many patents as well as listed inventor on others. He has been instrumental in various product designs including stents and embolic devices in addition to the access devices in intravascular applications. He has also contributed to designs in infertility and other areas of less-invasive medicine. He is best known for the revolutionary Synchro guidewire, which became the standard in neurovascular access, the most demanding application of intravascular access. John completed his BS in chemical engineering and graduate work in ChemE and EE in the area of microfabrication processes at the University of California, Santa Barbara.

Todd Turnlund

Vice President of Research and Development

Todd joined Scientia Vascular in 2016 with over 25 years of experience in medical device startups and Fortune 500 companies. He received a BS in mechanical engineering from the University of California, Santa Barbara, and an MBA from Santa Clara University.


David Rardin

Vice President of Sales and Marketing

David joined the Scientia team in 2017 and brings over 30 years of sales and marketing experience within interventional device and medical technology markets, while working for C. R. Bard, Guidant (acquired by Abbott Vascular), Medtronic (Arterial Vascular Engineering), Conor Medsystems (acquired by J&J) and Precision Vascular Systems (acquired by BSC), Sonoma Orthopedics, RS Medical and Acumed.  As part of 4 start-ups with successful exits, David held key leadership roles as VP of sales and marketing, VP of global marketing and VP of marketing and business development.  David earned his BS in business management from the Lundquist College of Business at the University of Oregon.   

Clark Davis

Chief Scientist

Clark brings over 35 years of engineering experience with more than 100 patents in the fields of medical devices, MEMS and robotics. He has been a founder and chief technologist for a number of successful medical device companies, including Precision Vascular Systems (Synchro guidewires and Pivot microcatheter), Coherex Medical (WaveCrest heart implants) and Microject (disposable IV pump). He holds an MS degree in mechanical engineering from MIT. 


Ed Snyder

Chief Development Engineer

Ed has been instrumental in the development of neuro products including the Guglielmi Detachable Coil, Interlocking Detachable Coil, and FasTracker and Dasher guidewires while at Target Therapeutics as well as the Synchro guidewire at Precision Vascular Systems. Subsequently, Ed has been involved in the design of current Scientia products. Ed received his BSME from University of California, Davis. 

David Plank

Vice President of Operations

Prior to joining the team at Scientia, David’s career has included a broad range of device technologies, including endovascular devices while serving as the director of operations at Pathway Medical Technologies, director of manufacturing at Lumenis, Inc., vice president of operations at ESC Medical Systems and director of quality assurance at Luxar Corporation and spans 37 years within the medical device industry.


David Sabodski

Director of Regulatory Affairs & Quality Assurance

David brings over 30 years of experience to his role at Scientia and got his career started at Varian, which led to his roles in quality assurance system design, compliance, and product/process quality engineering at Precision Vascular (Boston Scientific) and Coherex.



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