John Pavlidis, CEO

John joined VytronUS in 2015 as the President and Chief Executive Officer. John has more than twenty-five years of medical device experience, including more than fifteen years as Chief Executive Officer of large and small organizations. Prior to VytronUS, John was President and Chief Executive Officer of Endoscopic Technologies, Inc. a leader in minimally invasive and endoscopic cardiac ablation, valve repair or replacement, and coronary bypass surgical technology. Endoscopic Technologies was acquired by AtriCure in late 2013. Previously, John served as President and Chief Executive Officer of R2 Technology Inc., the pioneer and leader in computer-aided detection of breast cancer and lung abnormalities, until Hologic Inc. acquired the company in 2006. Before joining R2 Technology, John was the President of the Ultrasound group at Siemens Healthcare for five years, where he led the acquisition and integration of Acuson Inc. and subsequent growth to $1 Billion in revenue. John earned a B.S. in Biomedical Engineering from Rensselaer Polytechnic Institute and an M.S. in Engineering Sciences from the Thayer School of Engineering at Dartmouth College.


Patrick Phillips, PhD, Sr. VP Engineering and Manufacturing

Patrick joined VytronUS in 2009 and serves as Senior Vice President of Engineering and Manufacturing. Patrick has over eighteen years of experience in developing medical products including minimally invasive imaging devices and catheter-based devices for improving cardiovascular care. Patrick has worked as an independent consultant and held management positions for both large and small medical device companies. Prior to VytronUS, Patrick led the Engineering department at Fluid Medical as the Director of Engineering and held the positions of Technical Fellow and Sr. Engineering Manager at Acuson and Siemens Medical Solutions, where he developed and invented novel solutions for high-end ultrasound-based imaging systems. Patrick holds thirty-four medical device patents. Patrick earned a B.S. Electrical and Computer Engineering from Clarkson University and a Ph.D. in Biomedical Engineering from Duke University.


Paul Chan, VP Finance

Paul joined VytronUS in 2015 and serves as the Vice President of Finance. He has over fifteen years of experience serving in various financial management and corporate development functions with small and medium-sized medical device companies. Prior to VytronUS, Paul was the consulting CFO of Endosee Corp. which introduced the first single-use CMOS hysteroscope for diagnostic hysteroscopy. Endosee was acquired by Cooper Surgical in 2014. He has also served in various capacities with QView Medical (Computer-Aided Detection of breast cancer in ultrasound images), O2 MedTech (NIR Spectroscopy for cerebral and tissue monitoring), Endoscopic Technologies Inc. (minimally invasive and endoscopic cardiac ablation) and R2 Technology Inc. (pioneer and leader in Computer-Aided Detection of breast cancer and lung abnormalities). Paul earned a B.A. in Economics and M.S. in Industrial Engineering from Stanford University.


Ian Welsford, VP Regulatory and Quality

Ian joined VytronUS in 2018 and serves as the Vice President of Regulatory Affairs and Quality Assurance. Ian has extensive experience in managing complex regulatory submissions and a diverse spectrum of regulatory affairs, quality assurance and operations in the medical device and biopharma industries. Over the last 20 years, he has lead the regulatory and quality efforts of companies such as Autonomic Technologies, Palyon Medical and Fujitsu Bioscience. He has also served in academic positions at James Madison University, Keene State College and Bradley University. Ian received his BA in Zoology from the University of Maine and his Ph.D. in Neurophysiology and Neurotoxicology from the University of Kentucky.


Andra Thomas, VP Clinical Affairs

Andra (Andi) joined VytronUS in 2018 and serves as the Vice President of Clinical Affairs. Andi has over 30 years of experience in managing complex clinical and medical affairs across many different medical disciplines. She has served for over a decade as Vice President of Clinical Affairs at St. Jude CRM Division and held other Clinical leadership roles at Celonova, CytoPheryx, Cambridge Heart and Guidant. Andi was also involved with the development and FDA approval of the first implantable cardiac defibrillator system (Intec Systems) and early stage development of Cardiac Resynchronization Therapy device systems for the treatment of heart failure (Guidant). Andi attended the Barnes Hospital School of Nursing, John Hopkins University and College of Notre Dame.


Dave White, VP Manufacturing

Dave joined VytronUS in 2012 as Vice President of Manufacturing. David has over twenty years of medical device experience. Prior to VytronUS, Dave has held executive management and engineering positions in both R&D and Operations at companies within the medical device industry including Promed, EndoTex Interventional Systems, Cardiovascular Imaging Systems, and Advanced Cardiovascular Systems. Dave holds thirty-three U.S. patents in a variety of technologies including catheter, ultrasound, and orthopedic devices. Dave earned a B.S. in Mechanical Engineering from San Francisco State University.


Danielo Piazza, VP Software Engineering

Danielo joined VytronUS in 2011 and serves as the Vice President of Software Engineering. Danielo has more than twenty-five years of experience developing software for medical devices in diagnostic imaging and robotic-guided therapy. Prior to VytronUS, Danielo was Senior Director of Systems and Software at Hansen Medical, Inc., a pioneer in robotic catheter cardiac ablation systems. Previously, Danielo led the Systems Software team and led new product initiatives at Carl Zeiss Medical, Inc. He has also served as Engineering Manager at Acuson, responsible for automated measurement systems for ultrasound imaging transducers. Danielo earned a B.S. in Electronic Engineering from Cal Poly, San Luis Obispo and an M.S. in Software Engineering from Santa Clara University.


Francis Macnamara, VP Catheters and Disposables

Francis joined VytronUS in 2016 and serves as the Vice President of Catheters and Disposables. Francis has over 19 years of experience in Research and Development in the medical device industry. Prior to VytronUS, Francis was Vice President of R&D at Hansen Medical, Inc., a pioneer in robotic catheter cardiac ablation systems. He spent the first 10 years of his career with Boston Scientific designing cardio vascular stent systems and steerable endoscopes. He is an inventor on twenty-two issued and pending patents involving catheter and robotic technologies. Francis holds a B.S. in Mechanical Engineering from the University of Limerick, Ireland, and an MBA from Santa Clara University.