Sentinel Offender Services, founded in 1993 by Robert Contestabile, is a for-profit probation and criminal justice services company based in Anaheim, California. The company offers innovative solutions through its SentinelDNA platform, which incorporates advanced analytics to streamline officer workflows by identifying actionable events. Key features include point pattern analysis, an integrated dashboard, a mobile application, and inventory control, all designed to enhance decision-making and improve outcomes.

Under the leadership of CEO Tom Flies, Sentinel Offender Services has made significant strides in the criminal justice sector. The company's technology-driven approach has empowered law enforcement officers with critical information, enabling them to respond more effectively to high-priority situations. This focus on innovation and efficiency has positioned Sentinel as a key player in the market, contributing to improved public safety and more efficient probation management.