Sentinel employees deliver high-quality customer service. We know this from surveys, evaluations, net-promoter scores, and unsolicited letters and messages from customers. On occasion, a team member exceeds expectations. They demonstrate an exceptionally positive attitude, inspire their teammates, and represent Sentinel with the utmost professionalism. They make personal interactions a memorable experience.

January 2019

Terrell Vernor, Program Manager, Kansas Department of Corrections

Terrell has been a Program Manager since November 2016 and started with Sentinel in August 2011 as an Installer and Equipment Technician.

He is always eager to please and is known for going above and beyond for his customers. Customers love working with Terrell. He has received many letters of commendation and thanks for his exceptional services. Terrell sets high standards for his peers and all Sentinel employees to follow.

In the words of his customer:

“On more than one occasion Terrell has stepped up after hours and come to the rescue of our staff so that we can assure public safety. He works tirelessly for the citizens of the state of Kansas.”

February 2019

Megan Richards, Lead Case Manager, Tacoma, Washington

Megan began her employment with Sentinel as a Case Manager and quickly moved up to Lead Case Manager. She is well liked and respected by the Judges and Court Administrators. Megan led Sentinel’s expansion efforts into District and Superior Courts and prepared our Tacoma operation for an ISO audit.

She is a diehard Seattle sports fan. The guest book at her wedding was a Seahawks jersey – which is proudly displayed at her house. She enjoys spending time with her husband and children. The couple run a support group for veterans. Their goal is to bring awareness to and help end veteran suicide.

In her own words:
“Working at Sentinel, I get to collaborate with many great people on a daily basis. I enjoy working with our participants and helping them throughout their court proceedings and building my skill set within the Criminal Justice field.”

March 2019

Amy Gries,  Branch Manager,  Seattle,  Washington

Amy began with Sentinel in 2014 as a Case Manager and was promoted to Branch Manager in June 2015. She is respected by the court and continuously offers feedback and suggestions for improving daily operations.  Her personal efforts have been instrumental in Sentinel’s successful relationship with the Seattle Municipal Court.

When not at work, Amy can often be found around the house working on projects and playing with ‘Pup’, her three-year-old Pit bull terrier, or outside enjoying the great outdoors of the Pacific Northwest.

In her own words:

“I enjoy working at Sentinel because it can be interesting and challenging.”

April 2019

Cecilia ‘Ceecee’ Salcido, Training Specialist, Anaheim, California


Ceecee began with Sentinel in 2014 as a Field Installer for L.A. County Probation, was promoted to Monitoring Center Supervisor and promoted again to Training Specialist in September 2018. Her experience in the field and helping clients in the Monitoring Center make her extremely valuable to clients and employees. She is at her best in the most demanding situations. Ceecee does an outstanding job with large and complex customers, where she trains groups in a professional and highly competent manner.

Outside of work you can catch Ceecee at Dodger Stadium, the beach or a coffee shop. She loves exploring new cities and cultures.

In her own words:

“I love working at Sentinel because we are in an industry where the limits are endless. I am beyond grateful to be part of an organization that gives people the opportunity to live a better life. Seeing past technology and realizing what we do and why we do it is the ultimate satisfaction.”

May 2019

Hailey Polonus,  Program Manager
Butte County, California

Hailey began her Sentinel career as an intern serving the Butte County Sheriff Day Reporting Center (DRC) operation.  In short order, she earned the respect of her manager, peers, and, most importantly, customer and is now the DRC Program Manager.  Early on she was faced with the challenge of recruiting two new case managers to support program participants. She managed the hiring and transition process swiftly and smoothly. Hailey exceeds customer expectations. Her primary customer contacts have expressed their high level of satisfaction with her support on several occasions.

In her own words:

“The best thing about working for Sentinel is helping people who need it the most. Helping people overcome their past traumas through the use of MRT (moral reconation therapy) training has been the most gainful part about working with this company.”

June, 2019

June  – Chris Moore – Las Vegas Courts


October 2018

Matt Alarcon, Case Manager, Canyon County, Caldwell, Idaho

Matt began with Sentinel career as an Equipment Installer in 2011 at the Riverside County location. He transferred to Caldwell, ID in 2017. His is known as an excellent troubleshooter. His analytical skills and attention to detail are extremely valuable. These were especially helpful during the recent implementation of Sentinel DNA. Matt helped to identify system issues and made suggestions for improvement which helped to ensure a smooth and speedy transition.

Outside of work, Matt likes to tinker with electronics, software, and hardware. When not playing video games with his son, he and his wife work on projects around the house. Next on the list: Coffered Ceiling in the living room.

In his own words:

“What I love about working here is the sense of camaraderie within the company. This is definitely a morale booster. Even though there is structure to the job, there is always something new happening to keep things interesting.”

November 2018

Julian Santana, Inventory Specialist, Meriden, Connecticut

Julian began with Sentinel as an Equipment Installer in 2012. His exceptional dedication has been vital to the continued growth and success of the Connecticut program. He has supported other agencies and programs as needed on a moment’s notice.

Julian developed a highly accurate and efficient system for local inventory management. Taking this type of initiative has enabled him to assist in new and different areas of the Connecticut operation.

December 2018

Paula Guardado, Director of Branch Operations, Los Angeles

Paula joined Sentinel as Administrative Assistant in the busy Bellflower office in 2006. She worked her way up to Branch Manager of the LA Downtown office and was promoted to Regional Operation Manager in 2015 and to Director of Branch Operations in 2018. Her dedication to Sentinel has been of vital importance to the growth and success of the company and its customers.

When the LA branch changed locations, Paula worked diligently to coordinate the transferring of hundreds of case files out of the LA office with calmness and professionalism.

July 2018

Norma Hernandez, Lead Case Manager, Phoenix, Arizona

Norma Hernandez is the quintessential team player and has an infectious, can-do attitude that makes everyone around her better. Her dedication to co-workers and customers cannot be overstated.

Her knowledge and experience in many areas make her a valuable teammate. She readily takes on extra tasks and responsibilities when the branch is short-staffed. If a client’s appointment is unexpectedly delayed, she routinely steps in to meet with them and keep things moving along.

In the words of a fellow employee:
“Norma is undeniably the most reliable and dedicated employee I have worked with in my 13 years at Sentinel.”

August 2018

Aimee Gullet, Lead Case Manager, Day Reporting Center, Las Vegas, Nevada


Amie has been instrumental in the significant growth of the branch office. As the monitoring caseload has doubled Amie has taken it in stride. She took the lead managing internal inventory updates and implementing the Nevada state-funded EM project. She also led the branch transition to SentinelDNA. Throughout these extra responsibilities, she never lost focus on her primary objective – meeting client needs.

She works well with just about every type of person from across the spectrum: her direct reports, supervisor, and peers; and most importantly, the staff at her client, Nevada Probation and Parole.

Amie volunteers at the Fraternal Order of Eagles and currently holds the position of Madam President. She likes to travel and to hang out with her dogs.

In her own words:
“It’s the people that make working for Sentinel great. They are smart and driven. I enjoy learning new things. There is always something (new) going on (here).”

September 2018

Jim Harlow, Electronic Monitoring and Drug Technician, Elkhart County, Indiana

Jim Harlow has been a member of the Sentinel family for nine years. He demonstrates empathy with his clients and compassion with his peers while doing his job in a professional manner. People are drawn to his sense of humor, making it fun to work with him. When duty requires it, he goes above and beyond to help clients. On several occasions, the local agency has needed to enroll many participants at once. Without hesitation, Jim has worked late into the evening to ensure this was completed on time and client expectations were met.

Jim enjoys time with his wife, five grown children, and their children. Much of their time together is spent attending the kids’ events and performances, eating out, and out on the golf course.

In his own words:
“After owning a business with my wife for 25 years, working at Sentinel has given me the chance to do something I had never done before. I enjoy working with clients and the entire Sentinel family.”

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