GTL and Sentinel Team Up to Provide Offender Tracking and Monitoring Technology

Corrections, probation, parole, and community corrections agencies will have access to full offerings of tracking and monitoring products provided by both companies


Reston, Virginia (PR Newswire) – July 27, 2018GTL and Sentinel Offender Services today announced that they have teamed up to collaborate on advancements in the areas of offender tracking and monitoring technology.

GTL offers best-of-breed corrections technology, payment services, and educational solutions to a broad set of customers, ranging from corrections and community corrections to government and law enforcement. GTL’s innovative offender monitoring solution, Guardian, is used by probation, parole, and community corrections professionals to supervise low- to mid-risk offenders. Guardian is the most robust smartphone-based offender tracking program on the market with multiple detection, interaction, and reminder features.

Sentinel provides comprehensive, customizable, and scalable case management and offender management services that include hardware, software, support from local community-based personnel, and best-in-class 24/7/365 monitoring capabilities. Sentinel offers its customers an array of GPS, RF, and alcohol monitoring hardware and web-based electronic monitoring and tracking platforms to help them more effectively and efficiently manage their offender populations.

Through this collaboration, GTL will offer the Sentinel suite of offender tracking and monitoring products and Sentinel will offer Guardian. This will allow both companies to provide a wide range of services to corrections, probation, parole, and community corrections agencies that pertain to the entire cycle of incarceration from initial arrest through probation and parole.

“Teaming with Sentinel highlights GTL’s dedication to expanding our community corrections offerings and provides agencies with the monitoring solutions that they need to efficiently and effectively manage probationers and parolees,” said Dan Burgess, Executive Vice President, Strategy and Business Development, GTL. “With more inmates going back into mainstream society, agencies need tools to help with rehabilitation and reintegration, and the combined offerings of GTL and Sentinel will provide that assistance.”

“We are thrilled about our growing relationship with GTL and what it brings to Sentinel and our customers,” said Mark Contestabile, Chief Business Development Officer, Sentinel. “The combination of GTL and Sentinel allows our customers to benefit from the Guardian solution while providing GTL customers direct access to Sentinel’s suite of electronic monitoring technologies. This partnership allows us to introduce new technologies and solutions to our customers through our SentinelDNA web-based monitoring platform. The immediate future is exciting for all of us as we collaborate on technology advancements and new product development.”

The offender management and tracking products offered by Sentinel and GTL aid in re-entry by fostering enrollee freedom, trust, and independence. They also provide case managers a simple solution that is customizable, controllable, and reportable. GTL and Sentinel are focused on the ultimate goal of reducing recidivism, and these technologies help keep released inmates on the path to becoming productive members of society.


About GTL
GTL leads the fields of correctional technology, education, and government payment services with visionary solutions and customized products that integrate seamlessly to deliver security, financial value, and operational efficiencies while aiding inmate rehabilitation and reducing recidivism rates. With the recent acquisition of Telmate, GTL has strengthened its suite of solutions for the corrections industry and expanded its community corrections portfolio with Telmate Guardian, a smartphone-based GPS monitoring solution. As a trusted industry leader, GTL provides services to over 2 million inmates in more than 2,500 correctional facilities in the United States and Canada, including more than 30 U.S. departments of corrections, the District of Columbia, Puerto Rico, the U.S. Federal Bureau of Prisons, U.S. Immigration and Customs Enforcement, and many large city/county/provincial facilities. GTL is headquartered in Reston, Virginia, with an employee presence throughout North America. To learn more about GTL, please visit or social media sites on Facebook, Twitter, LinkedIn, and YouTube.

About Sentinel
Sentinel Offender Services has been a trusted partner of community corrections, courts and law enforcement since 1993. Sentinel has a rich history of innovation and pioneered the offender-funded monitoring model that is now used extensively throughout the United States. For more than 25 years Sentinel has focused on one goal: Reducing recidivism rates through comprehensive monitoring and effective supervision of offender populations. Sentinel’s continued growth and success can be attributed to its breadth of experience and its ability to consistently deliver world-class customer service, innovative products and programs and creating effective solutions to meet the needs of our clients and the communities they serve. To learn more, please visit

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GTL and Sentinel Team Up to Provide Offender Tracking and Monitoring Technology

In the push to reduce the recidivism rate, correctional facilities are moving away from a traditional layout to one that is designed for inclusiveness and keeping inmates engaged with outside society. Studies have shown that maintaining a support structure is a key component to keeping inmates on the right path to successful reintegration into society after release. In Australia, a new maximum security prison opened this year that includes no cells. Instead, inmates are housed in dormitory-style accommodations with 25 inmates in 16 ‘pods’ that offer more access to education, entertainment, and communication with friends and families. This novel move seeks to enhance inmates’ daily lives by making these services more accessible and improve re-integration into society. Inmates have access to technology that connects them with friends and family members, news, books, movies, education, games, and more. They are required to work for up to five hours during the day and pursue education and other programs in the remaining time. This progressive approach aligns with GTL’s vision of technology and education being available to every inmate. “GTL has the technology portfolio to enable correctional facilities to execute their strategies,” said Gad Tobaly, President, GTL International. “Whether those strategies are similar to the open-plan jail approach or focus on a more traditional environment, we offer the innovations to help facilities become safer and more secure while providing inmates with access to programs that improve their lives during and after incarceration.” GTL creates new technologies and advocates for tablets, education, and other programs to help reduce recidivism rates. “These new facilities highlight the need for technology in corrections,” said Eric Gonzalez, Executive Director, Technology and Implementation Services. “Today’s inmates are digital natives, having grown up in the age of computers, cell phones, tablets, and more. It is only logical that providing them with technology and programs to learn and better themselves through those access points is the direction that corrections is taking.” As part of GTL’s ongoing mission to keep our offerings in line with global corrections trends, the company will once again be a sponsor at the International Corrections & Prisons Association (ICPA) Annual Conference. This year’s conference is being held at the Montreal Marriott Chateau Champlain in Montreal, Canada. The conference theme of “Beyond Prisons: The Way Forward” will draw discussion on the underpinning philosophies, strategic direction, policies, and practices being instituted across the globe. More than 500 delegates from over 70 countries attend this prestigious conference. GTL and two collaborating organizations will present on two topics that relate to the use of technology in aiding the corrections and criminal justice systems. “Transforming the Inmate Environment: How and Why Facilities are Implementing Tablet Programs” will discuss how technology is used to humanize correctional efforts and will take place on Tuesday, October 23rd at 11:00 a.m. in Maisonneuve A Room. “Virtual-Enabled Justice: Delivering Swifter Outcomes and Improved Victim and Witness Experience” will discuss the use of technology to create ‘virtual courts’ that fuel efficiency, safety, and security, and will take place on Tuesday, October 23rd at 3:30 p.m. in Maisonneuve A Room. To learn more about our technology solutions, contact GTL today.