Zach Finn

Chief Executive Officer

Zach Finn has been focused on Health Information Exchange and HIPAA-compliant communications software and business since 2006. His work in the Health IT communications field goes from “soup to nuts” and his expertise ranges from fostering social capital with community health care leaders to technical system architecture implementation, to grant acquisition and management, to developing service-based business models, to working with federally funded non-profit physician advocacy programs designed to help providers navigate electronic health record (EHR) systems and achieve Meaningful Use.

Prior to becoming involved in Health IT, Finn had nearly two decades of professional IT experience that included database administration and data warehousing, Microsoft quality improvement, software development, system design and requirements gathering, and project management for complex information technology projects, as well as business development and account management for governmental and private clients.


Bill Jacobus

Chief Financial Officer

Bill Jacobus has been CFO of Centrails Health (formerly HIE Networks) since its inception and was previously CFO at a health care information and technology start-up that pioneered vending machines for pharmaceuticals and helped develop health care information exchange software.
Well before that, he founded and was CEO of a fitness software company for desktop computers before the internet was a thing. Eventually, he veered away from software to partner in real estate development specializing in multi-unit housing complexes. Jacobus graduated from Rollins College in 1982 with a degree in Business Finance and Administration. In his spare time, he races cars because he’s too old to race motorcycles anymore.


Allen Byington

Founder and Chairman

Allen Byington is a serial entrepreneur with business successes that include automotive, aircraft, communications, broadband technology, and health information technology and exchange. Byington was the visionary and driving force behind the creation and establishment of Big Bend Regional Healthcare Information Organization and the co‐architect of its health information exchange (HIE) technology infrastructure.

Byington, along with board-certified vascular surgeon Dr. Dan Kaelin, established Centralis Health (formerly known as HIE Networks) to expand the availability of affordable, health care provider-driven HIE throughout the United States.

A tireless advocate, Byington donates his personal time and resources to support the expansion of HIE in Florida. He works collaboratively with the Florida Hospital Association and the Florida Medical Association to support their federal and state advocacy and has served as a pro bono advisor on health information policies for a number of other organizations.


Lawrence Dan Kaelin, MD

Chief Medical Officer - Founder

Dr. Dan Kaelin has been a vascular surgeon in private practice with Vascular Surgery Associates in Tallahassee, Florida, since 1992. He received his medical degree in 1985 from the University of Louisville School of Medicine and completed his internship and residency at the University of Florida College of Medicine. He was Chief Resident from 1990-91 and a Vascular Fellow in 1991-92. Dr. Kaelin has conducted research, written extensively, and made numerous professional presentations on a wide range of surgical topics. Dr. Kaelin was a Major in the U.S. Army Reserves from 1988 to 2001 and served as an Attending Vascular Surgeon at Walter Reed Army Hospital. He is board certified by the American Board of Surgery, with added qualifications in Vascular Surgery.

Dr. Kaelin was a founding board member and Chair of the Big Bend Regional Healthcare Information Organization (Big Bend RHIO). He is a tireless champion in local and statewide initiatives to develop Health Information Exchanges (HIE) so individual EMR systems can share patient medical information. His aim is to ensure that clinicians remain involved in the decisions of health care IT as federal health care legislation unfolds.

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