A leading provider of risk management and operational support services worldwide.
Herndon, VA
Joined March 2015
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Constellis retweeted
Andrew Hartsog from @Constellis offered a toast to commemorate the 25th anniversary of 9/11 at the William J. Donovan Award® Dinner, the preeminent annual gathering of the US Intelligence and Special Operations Communities, in Washington, DC, on October 17, 2026.
youtu.be/zTcZ1devcpo?is=VzdR…
In this 'Game Changer' feature from @BreakingDefense, see how #LEXSO™ helps provide the real-time visibility and intelligence needed to make faster, more informed decisions.
Download your copy: bit.ly/4BgzA2H
#SecurityTechnology #AI #Constellis #CriticalInfrastructure
Today, we celebrate the U.S. Navy and the Sailors, past and present, whose courage, dedication, and commitment to service have strengthened our nation for generations.
Happy Birthday, U.S. Navy!
#USNavyBirthday #USNavy #Constellis
ALT A ship at sea with an American flag flying prominently against a clear blue sky. The text "Happy Birthday America's Navy" is displayed on the image.
Less than 48 hours until #TacticalExpo2026!
Experience live demonstrations, explore emerging technologies, and connect with industry leaders at the #Constellis Training Center in Moyock, NC.
Will we see you there?
bit.ly/4xTqQxh
ALT Sign for Constellis Training Center, with another sign for Lexso in the background, set in a grassy area with trees and rocks around.
We’re heading to #AUSA2026 in Washington, D.C., to connect with defense leaders and explore what’s next.
Stop by to see LEXSO™, our AI-enabled decision technology that helps turn data into actionable insights faster.
See you in D.C. this October! #Constellis #LEXSO
ALT The image features a high-tech industrial facility overlaid with digital labels indicating various events, such as "UMV Detected," "CUAS Response," "Camera Activated," "LIDAR Anomaly," "RF Trigger," "Seismic Activity," and "Acoustic Event." A blue ring surrounds the facility marked "2026." At the bottom, there is a banner for the AUSA Annual Meeting & Exposition, scheduled for October 12-14 in Washington, DC, with the LEXSO logo and tagline, "Respond at the Speed of Sensing."
The maritime security landscape is changing.
We’re going to Maritime Security West in San Diego to connect with industry professionals and share how we can help strengthen readiness, improve awareness and respond to evolving threats.
#MaritimeSecurityWest #Constellis
ALT The image is an advertisement for the 13th Annual Maritime Security West event. It features a large cargo ship docked at a port with cranes in the background. The event is scheduled for August 31 to September 2 at Kona Kai San Diego Resort, San Diego, CA.
#TacticalExpo2026 is next month, but there’s still time to register!
Get hands-on at our expansive, state-of-the-art training facility in Moyock, NC—experience live demonstrations across arms, drones, and tactical systems.
Learn more: bit.ly/4xTqQxh
#WeAreConstellis
ALT Tactical Expo logo with a sword design, featuring "Constellis Training Center" and "17 September, Moyock, NC" text.
Today, we welcome Dan Gelston as Chief Executive Officer of @Constellis. Read more here: constellis.com/news-dan-gels…
#WeAreConstellis
Constellis retweeted
As we begin the new year, we would like to extend a big thank-you to all of our staff, partners, shareholders and followers who have seen us through 2025. May 2026 be a prosperous year ahead. @Constellis
Every mission starts with trust. We’re honored by the confidence our customers and partners place in us to safeguard what matters most. Thank you to our teams and partners for a great 2025—we look forward to continuing our shared commitment ahead. #OneConstellis
Constellis has been awarded a contract by the U.S. Postal Inspection Service to support high-tier background investigations for critical federal missions. Read more: bit.ly/3YGX138 #NationalSecurity #WeAreConstellis
We are proud to be named a @Mil_Friendly® Employer Gold for 2026. We are committed to hiring and developing #veterans, service members, and military spouses to enhance our workforce through leadership and experience. Supporting those who serve is a responsibility we uphold daily.
As we near 2026, The Development Initiative marks 20 years of clearing landmines/UXO, protecting communities, & supporting partners worldwide. From a small team to a trusted leader in mine action, TDI’s impact is built on expertise, teamwork, & commitment. constellis.com/tdi-20-years
This holiday season, we extend our appreciation to our employees, partners, and customers whose dedication, trust, and collaboration make our work possible. We remain committed to safeguarding people, missions, and critical operations globally. Wishing you a safe #holiday season.
Looking back on 2025, our people defined the year. We honored Stephen Moehring with the CEO Leadership Award and recognized Excellence Award recipients David Spitzbarth and Jessica Owens for professionalism, courage, and lifesaving impact.
#YearInReview #OneConstellis
2025 marked a defining chapter as Centerra celebrated 65 years safeguarding critical assets worldwide. From government facilities to integrated protective services, we continue advancing solutions that protect people, infrastructure, and national security. #YearInReview
Happy #VeteransDay to all who have served and continue to serve our nation. We proudly support our military customers and are grateful for the many veterans on the Constellis team. To all veterans and their families - thank you. We respect and appreciate the sacrifices made.
Advice that sticks - Paul Donahue, President at Constellis, shares leadership lessons, security insights, and the mentors who shaped his path.
Read the full Q&A via Security Sales & Integration: tinyurl.com/y4uv7wyd
#OneConstellis #YourMissionStartsHere
Read the latest article from @Constellis’ LEXSO™️ partner, @ousterlidar, and discover more about our latest innovation in #defensetechnology!
#OneConstellis #YourMissionStartsHere
Ouster and @Constellis are bringing Physical AI to security operations!
Through our strategic partnership, Constellis will offer a unified security solution — combining LEXSO, its AI-driven sensor fusion platform, with Ouster Gemini and our digital lidar — to customers worldwide.
Ouster Gemini will serve as the foundational intelligence layer of LEXSO, enabling real-time analytics, threat classification, and automated response protocols.
Today, we pause to reflect on the lives lost, the bravery shown, and the strength that rose from tragedy.
Above all, we stand together — one nation, united in remembrance and resilience.
#NeverForget #PatriotDay #911Remembrance #OneNation
