PHRAXIS - Key Persons


Alexander S. Yevzlin - Founder

Job Titles:
  • Chief Medical Officer
  • Co - Founder
  • Director
  • Professor of Medicine at University of Michigan
Dr. Yevzlin is currently a Professor of Medicine at University of Michigan and Director of Interventional Nephrology. After receiving his undergraduate degree magna cum laude from Dartmouth College he attended medical school at The 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 150 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 Co-Founder of the Company. Currently, Mr. Zentgraf is the COO of NitriCap Medical Inc. developing a new antimicrobial technology for use with in-dwelling catheters. Mr. Zentgraf has 40+ years medical device industry experience including 21 years with Guidant where he led a team of 1,300 engineers and scientists through all phases of implantable product development

James B. Hickey - CEO

Job Titles:
  • CEO
  • Director
Currently, Mr. Seaberg is Chairman of Preceptis Medical, a device company in the ENT space. In addition, he is the Executive VP at Cedar Point Capital, a boutique broker-dealer focused on conducting capital raises for private companies, with a historical emphasis on the healthcare space. Mr. Seaberg is Chairman of Admedus, a publicly li Mr. Hickey has over 40 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 include mitral v

John Seaberg - Chairman, Founder

Job Titles:
  • Chairman
  • Co - Founder
  • Chairman of Preceptis Medical

John Zentgraf - Founder

Job Titles:
  • Co - Founder
  • Director
  • COO of NitriCap Medical Inc
Mr. Zentgraf is an experienced entrepreneur, co-founding Phraxis Inc, Abilitech Medical, and Neochord Inc, and leading products through regulatory approval in the United States and Europe. , basic and applied research, and advanced technology development.

Michael J. Kallok - CTO

Job Titles:
  • CTO
  • 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 ye