Phraxis, Inc.
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Phraxis Board

Phraxis Board of Directors

John Seaberg PhotoJohn Seaberg, Founder and Chairman
Currently, CEO of NeoChord Inc., former Vice President of sales, Cardiac RhythmManagement and Vice President of Sales, Cardiac Surgery, Guidant Corp. Co-founder and first CEO of ACIST Medical, Inc., acquired by Bracco, Inc. for $100 million in 2001.


James Hickey PhotoJames B. Hickey, Jr., CEO and Director 
Mr. Hickey has over 35 years of experience in the healthcare industry as an operating executive and director.  Before joining Phraxis Mr. Hickey was President and CEO of two private and two public medical device companies which include:  Myocor, Pulmonetic Systems, Angeion, and Aequitron Medical.  Product areas covered  mitral valve repair, portable ventilators, implantable defibrillators and sleep diagnostic systems. The companies ranged from start-up to well established businesses.  Prior to that, Mr. Hickey spent 15 years with American Hospital Supply Corporation/Baxter Healthcare, serving as President of their Hospitex and Respiratory/Anesthesia Divisions.  Mr. Hickey served as a member of the Board of Directors of the above companies as well as Allied Healthcare Products, Inc., NAMSA, Ionix Medical, the International Fraternity of Phi Gamma Delta, including two years as National President, Ventec Life Systems, and Vital Images, Inc.  Jim was the Board Chairman of Vital Images (VTAL), when it was acquired by Toshiba Medical Systems in June 2011.  In 2005 Jim was recognized by Twin Cities Business as an Outstanding Director for his service on the Vital Images Board of Directors. 

Michael Kallok PhotoMichael J. Kallok, PhD, CTO and Director
Dr. Kallok has over 30 years of experience in Companies ranging from very large (Medtronic, Boston Scientific) to smaller public and private companies (Angeion, Myocor).  Most recently, Dr. Kallok was President and CEO of Cardiovascular Systems, Inc., (Nasdaq CSII), leading the Company from a new startup to a valuation of $150M in five years.  He stepped aside in 2007 to assume the role of Chief Scientific Officer until his retirement with the public debut of CSII in 2009.  Dr. Kallok holds over 17 US patents, has published over 90 manuscripts, abstracts, and book chapters, and was the recipient of Medtronic’s highest technical award (Bakken Fellowship) and management award (Wallin Leadership Award).  He has served on several public and private Boards.

Dr. Alexander YevzlinAlexander S. Yevzlin, MD Chief Scientific Officer, Founder and Director
Dr. Yevzlin is currently an Associate Professor of Medicine at University of Wisconsin, Director of Interventional Nephrology and CKD clinic.  After receiving his undergraduate degree magna cum laude from Dartmouth College he attended medical school at Ohio State University, internship and residency training at the University of Michigan, and his Nephrology fellowship at Northwestern University. Dr. Yevzlin has published or presented over 100 manuscripts, abstracts, and invited lectures.  He is the founder of several start-up companies and has served in the roles of CMO, CSO, and board member in the vascular access space.  He is the inventor of the Phraxis technology and a Founder of the Company.


John ZentgrafJohn Zentgraf, Founder and Director
Mr. Zentgraf  joined NeoChord as Vice President of Research and Development in May 2007.  Previously, he was employed by Guidant Corporation’s CRM Division from 1986 to 2006.  During his tenure at Guidant, Mr. Zentgraf held numerous engineering and management positions, primarily in new product development.  Most recently, he was the Vice President of Research and Development for Guidant CRM.  His responsibilities included all implantable pacemaker, defibrillator and heart failure product development, research and released product support for a division with sales in excess of $2.5B.  Under his direction, the R&D team of 1300 engineers and scientists worked in all phases of implantable product development, basic and applied research, and advanced technology development.  Mr. Zentgraf has a Masters in Manufacturing Systems Engineering from the University of St. Thomas, St. Paul, MN and a B.S. in Biology from Winona State University in Winona, MN. Mr. Zentgraf has 28 years of medical device product development experience.