Barret Chappelle serves as the Senior Program Manager for Federal Services at SENTRYSIX, where he leads complex federal programs supporting national security, defense infrastructure, and mission-critical operations. A mission-driven leader with more than 15 years of experience in military operations, federal project execution, and large-scale infrastructure management, Mr. Chappelle specializes in delivering high-risk, high-consequence programs in secure and operationally demanding environments.

Mr. Chappelle’s national security background was forged during his service in the United States Air Force, where he managed operational readiness and contingency planning for more than 90 personnel and coordinated emergency response plans across multi-agency environments. He played a direct role in strategic weapons protection, deployment operations, and joint mission coordination with domestic and international partners, including collaboration with federal agencies and allied forces. His leadership extended to specialized security missions involving explosive detection and working dog operations supporting the protection of critical infrastructure, dignitaries, and sensitive installations.

Throughout his career, Mr. Chappelle has successfully directed multi-million-dollar federal and infrastructure projects, managed large operational teams, and ensured compliance with stringent regulatory and safety standards. He has led programs exceeding $250 million in value, overseeing logistics, personnel, risk management, and stakeholder coordination across government and contractor environments. His ability to integrate operational planning with disciplined execution has consistently delivered mission success for federal agencies, defense partners, and critical infrastructure clients.

Mr. Chappelle holds an active Top Secret security clearance with Sensitive Compartmented Information (SCI) eligibility, reflecting his trusted role in handling sensitive national security operations. He is a decorated military professional and recipient of the Air Force Commendation Medal, recognized for excellence in leadership, operational performance, and mission readiness.

At SENTRYSIX, Mr. Chappelle strengthens the company’s federal services portfolio by providing disciplined program management, operational oversight, and strategic leadership across defense, homeland security, and federal mission support initiatives. His experience operating at the intersection of security, logistics, and infrastructure positions him as a key leader in advancing SENTRYSIX’s commitment to supporting national security and public safety missions across the United States.