Sentinel is proud to have one of the most experienced offender management teams in the industry. Our management staff has more than 100 combined years experience in electronic monitoring and offender management. Other Sentinel advantages include:

• Privately Held - We are independently owned. We do not have any shareholders.
• Original President/Founder - Sentinel's original owner and founder, Mr. Robert Contestabile, remains the CEO and president, ensuring that our full-service, offender supervision company vision continues.
• Original Management Team - Our senior management team has been with Sentinel practically since inception. This translates into providing our customers with the most experienced personnel to service and meet required program goals.

The following management team members strive to meet our customers' daily program needs through their individual responsibilities.

Bob Contestabile, Founder and President
After a 25-year successful career in the security system arena, Bob entered the electronic monitoring business in 1991 as the president of Wackenhut Monitoring Services, a company which he later purchased and renamed Sentinel. In 1992, with only four employees, Bob has guided Sentinel to a level of more than 350 employees and positioned Sentinel as the only privately held firm among the three largest in the industry.

Primarily focusing on offender-funded electronic monitoring programs and misdemeanant probation, Sentinel has served more than 500,000 offenders throughout the years and is among the leaders in the GPS offender tracking field. Bob has been instrumental in developing our patented approach to voice contact through Sentinel's TrakMate GPS handsets. It gives officers a matchless advantage in managing real-time offender activity.

Bob is active in all of Sentinel's daily management and is the most senior executive in the industry.

Mark Contestabile, Vice President Eastern Operations
Mark oversees all east coast operations, including our industry-leading court services programs that monitor more than 30,000 offenders daily. Programs under his supervision collect substantial amounts of fines and fees on behalf of victims and court circuits. This has led to Sentinel collecting and delivering millions of dollars to our customers that would have gone uncollected. He is also responsible for our electronic monitoring and GPS tracking programs throughout the eastern region.
mcontestabile@sentrak.com

Alan Velasquez, Vice President Western Operations
Alan is responsible for the daily western regional programs operations. Along with electronic monitoring and GPS tracking services, he oversees some of the largest offender-funded programs in the nation. These programs have provided full service case management and monitoring to populations in excess of 2,000 daily offenders, all at NO COST to the department or correctional agency. We have taken this offender-funded program nationwide with great success.
avelasquez@sentrak.com

Steve Queen, Eastern Operations Director
Steve is a long-time industry veteran and is responsible for field operations throughout the state of Georgia. His knowledge of our court services and probationer services programs is key in their on-going success. Steve oversees a management staff that is responsible for more than 200 Sentinel employees and 30 offices serving 100-plus jurisdictions throughout the state of Georgia.
squeen@sentrak.com

Tim Lewis, Director of Georgia Field Operations
Tim has a wealth of industry experience. He has extensive experience with Georgia courts, where he served as a probation officer for nearly eight years that included investigating violations and reporting results to the courts. He has directed a staff of more than 50 employees that supervised more than 35,000 active offenders and delivered probation services to more than 20 field offices, 90 courts and 100 judges.
tlewis@sentrak.com

Julie Hunt, Human Resources Director
Julie is an original member of the founding Sentinel team and ensures that our employee workforce receives the utmost in company support and direction. She is also responsible for ensuring that we continuously meet or exceed personnel requirements mandated by our contracts with correctional agencies nationwide. Julie works closely with all field management personnel to facilitate hiring and retaining the most qualified candidates.
jhunt@sentrak.com

Dan Skahill, Director Marketing & Business Development
Dan has an extensive success record developing branded marketing campaigns and securing new business opportunities. Dan not only develops our national and regional marketing efforts, he works closely with our Business Development Team to present to customers, Sentinel's Portfolio of Solutions. Sentinel administers all aspects of the solutions based programs, in partnership and complete compliance with client specific directions.
dskahill@sentrak.com

Michael Janney, Information Systems Director
Michael and his IS staff are a key part of our technology-based company. With our GPS and electronic monitoring program responsibilities, IS ensures that all field personnel is equipped with the necessary hardware and software to meet program needs. He often works with department IS personnel when developing data transfers or similar projects that help keep our customers satisfied.
mjanney@sentrak.com

Noe Avalos, National Monitoring Center Manager
Noe plays an integral part and is responsible for our national monitoring center's overall efficiency and effectiveness. With tens of thousands of alarm calls being reported to our monitoring center daily, Noe ensures that all staff is properly handling alarm-related duties. He has a staff of shift supervisors that ensure the 24/7/365 successful operation of the entire facility.
navalos@sentrak.com