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John Holleran

Client Executive

With a background as an owner and chairman of the board for an independent insurance agency, John Holleran delivers a high level of depth and experience to the Sentinel team as a Client Executive.  Based in Greenville, NC, John advises his clients on mitigating risks, using his wealth of technical knowledge and expertise as a guide.

John’s strategic vision and leadership ensures that Sentinel’s valued clients receive innovative solutions and services that are tailored to their individual needs.  These traits were established through all aspects of agency management, ensuring efficient business operations and growth while building trusted relationships with his clients.

Prior to joining the insurance industry post-graduation, John delivered assists to his teammates while playing collegiate basketball.  Listed at 6’4”, he is officially the tallest member of the Sentinel team.


Bachelor of Science in Business Administration and Management
Elmira College