Veterans
A voice in their own story and a clearer way to reflect over time.
PEOPLE. INSIGHT. EARLIER ACTION.
A veteran’s story is bigger than a single moment. SENTINEL is developing technology that helps care teams recognize meaningful changes over time—so support can arrive earlier.
Veteran-foundedInformed by lived experience
Earlier awarenessLook for change over time
Responsible innovationPrivacy, safety, and care matter
Stronger togetherDesigned for collaboration
The mission begins with people.THE CRISIS BLIND SPOT
Important shifts can unfold between appointments, conversations, and moments of outreach. Yet those changes are not always easy to see in isolation.
SENTINEL is being built to connect those moments into a clearer longitudinal picture, supporting better-informed decisions by qualified care teams.
See our approachOUR TECHNOLOGY
SENTINEL brings together recurring check-ins and longitudinal context to explore meaningful changes over time. Its predictive risk intelligence is designed to support—not replace—professional judgment.
Check-in patternsOver time
Personal baselineIndividual context
Signal changesFor team review
Follow-up workflowSupport coordination
AI insights designed to assist teams, never replace care.
A MORE CONNECTED APPROACH
Different perspectives. Shared purpose. Stronger pathways to support.
A voice in their own story and a clearer way to reflect over time.
Recognizing the vital role of those who care and support.
More context to inform outreach and follow-up decisions.
Potential new ways to coordinate proactive support.
Collaborating to responsibly evaluate and advance the mission.
OUR STORY · VETERAN-FOUNDED. FAMILY-DRIVEN.
SENTINEL began with a shared belief that veterans deserve support that recognizes the full picture of their lives—not just a single appointment or moment of crisis. Built by Michael and Brittany Matteis, it brings together lived experience, technology, and a commitment to helping care teams recognize meaningful changes earlier.

CO-FOUNDER · U.S. AIR FORCE VETERAN
Co-Founder · Technology & Architecture
Michael brings military experience and a background in systems architecture and cybersecurity to SENTINEL’s technology and product development.

CO-FOUNDER · CHIEF MARKETING OFFICER
Co-Founder · Brand & Growth
Brittany leads SENTINEL’s brand, communications, and outreach, ensuring the mission stays understandable, accessible, and connected to the people it serves.
PARTNER WITH SENTINEL
We're connecting with veteran-serving organizations, care teams, researchers, and mission-aligned collaborators to explore pilots and responsible evaluation.
Explore PartnershipLET’S CONNECT
Whether you want to explore SENTINEL’s technology, discuss a partnership, or ask a question, there’s a direct way to reach our team.
We welcome thoughtful conversations about building earlier pathways to veteran support.