Sentinel Offender Services Announces Leadership Team Addition

Expands Executive Leadership Team with Technology Expertise


Sentinel Offender Services LLC (“Sentinel”), a leading provider of offender management solutions, today announced that it has added Tom Flies as its Chief Executive Officer (CEO). Bob Contestabile, Founder of Sentinel, will continue in his role as Chairman, focusing on strategic initiatives for the company.

Mr. Flies is a long-tenured executive who has held senior roles in technology design and development. He brings expertise in telematics, software development, and operations to compliment Sentinel’s decades-long history of success in electronic monitoring and offender management. “We are excited to add Tom to our executive leadership team to build on our foundation as a leading provider of offender management services and electronic monitoring technology,” said Bob Contestabile. “His comprehensive knowledge of telematics technology enhances our ability to provide industry-leading solutions to our customers.”

“It’s an honor to join Sentinel and contribute to its legacy of providing leading solutions to community corrections programs and the participants within them,” said Tom. “The company’s platform represents an exciting opportunity to incorporate market-leading technology with outstanding people-driven services.”

Mr. Flies brings experience as President & COO, SVP of Product Development, Product Management and Business Development of leading technology companies including Qualcomm, Inspire Software, Cadec Global, and XATA. He holds patents combining telematics and law enforcement which have been used by Qualcomm, Apple, Uber, Intel, and Ford. Tom received a degree in Business Administration from the University of St. Thomas and a Master’s degree in Executive Leadership from the University of San Diego.

In addition to bringing on Mr. Flies as CEO, Sentinel announced that Darryl Martin, Chief Operating Officer, and Mark Contestabile, Chief Business Development Officer, were both added to the Sentinel Board of Directors. The appointment of these long-term company executives ensures continuity of corporate leadership and reflects the company’s commitment to a customer centric focus.

“Tom’s expertise in analytics and mobile technology is a tremendous resource for Sentinel as we strive to deliver industry-leading solutions to maximize impact and efficiency for our customers,” said Mark Contestabile. Darryl Martin added “Tom is an ideal complement to our management team and our strategic vision. We are excited about our future and our ability to provide leading solutions to help our customers reduce recidivism.”


Since 1993, Sentinel Offender Services, LLC has provided offender management solutions to community corrections agencies across the U.S. Sentinel customers benefit from one of the most comprehensive sets of products and services in the industry. Built on the foundation of SentinelDNA, the intelligent offender management platform with advanced analytics, offerings include GPS location tracking, RF home monitoring, remote alcohol testing, substance abuse screening, community-based programs, and full-service offender management. Sentinel solutions help reduce recidivism and improve reentry success. To learn more, visit our website or YouTube.

Joe Carroll
Director of Marketing
949.453.1550 x2601