Arteriocyte is now a part of Isto Biologics.




Senior Management

Isto’s forward-looking operations run under the elite direction of a group of passionate, committed managers who are at the top of their fields.

Don Brown

Chief Executive Officer

Don Brown

Don Brown serves as our Chief Executive Officer.  With more than 30 years of experience in the healthcare industry, Mr. Brown is known for building high-performing teams, driving operational improvements […]

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Brian Barnes, PhD

Chief Technology & Innovation Officer


Brian Barnes serves as our Chief Technology and Innovation officer and is responsible for product and business development, clinical affairs, medical education, operations and manufacturing.   Previously, Dr. Barnes held various […]

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Dr. Davis Adkisson, PhD

Chief Scientific Officer


H. Davis Adkisson joined Isto in February 2000. He holds ten issued U.S. and foreign patents on engineered cartilage technology. Prior to joining Isto, Adkisson spent nearly two decades in […]

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John Mitchell

Chief Financial Officer


John Mitchell serves as our Chief Financial Officer.  Mr. Mitchell previously served as CFO/COO for Arteriocyte Medical Systems which merged with Isto in 2016.  He has more than 30+ years […]

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Neil Kizer, PhD

Vice President, Regulatory and Quality Assurance


Neil Kizer is our Vice President of Quality Assurance and Regulatory Affairs.  His prior roles since joining Isto in 2002 include Director of Process Development & Manufacturing and Director of […]

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Jerry Keefe

Vice President, Operations


Jerry Keefe is our Vice President of Operations who oversees day-to-day operations ensuring Isto products reach our customers on time. Mr. Keefe joined Arteriocyte Medical Systems in 2009 with over […]

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A Cause We Believe In

“Everyone’s willingness to work together for a cause that we all believe in makes Isto a special place to work.”

—Samantha Kaltenbach, Quality Assurance Specialist

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