Ursa Major Strengthens Leadership Team to Accelerate Production of Rocket Systems
Ursa Major Expands Leadership Team
Berthoud, Colorado — February 4, 2026 — In a strategic move to ramp up production and expand its capabilities, Ursa Major, an emerging player in the aerospace and defense sector, has appointed Jason Meredith as the new President of Solid Missile Systems and Justin Siebert as Chief Operating Officer. These appointments come as the company transitions from its developmental stages into full-scale production for mission-critical systems.
Experience That Matters
Jason Meredith brings over two decades of relevant experience, having excelled in various senior roles within the aerospace and defense industry. His previous leadership experience includes a Vice Presidency at Northrop Grumman and management roles at both Orbital ATK and Pratt & Whitney. His expertise is expected to be pivotal in evolving and enhancing Ursa Major's approach to manufacturing solid rocket motors.
Justin Siebert, a recognized operations expert, joins Ursa Major with an extensive background that includes significant roles in top-tier aerospace firms. He has previously held the position of COO at ArmorWorks LLC and has key experience in operations and management with Firefly Aerospace, BAE Systems, Magellan Aerospace, and Honeywell Aerospace. His leadership is seen as crucial for bolstering operational rigor and meeting the increasing demand for national security systems.
A Stronger Vision for the Future
Dan Jablonsky, CEO of Ursa Major, emphasized the importance of execution alongside innovation as the firm prepares to escalate production across its array of programs. He states, “Justin's operational expertise and Jason's experience in solid rocket motor programs will support our transition into a major provider of solid missile systems. As we face challenges within the industrial base, their leadership will enable Ursa Major to meet national demands effectively.”
Expanding Production Capabilities
Ursa Major is not only focused on these additions to the leadership team; it has already made notable advancements within its production lines. The company is currently manufacturing its Hadley liquid rocket engine, which provides proven capabilities for hypersonic and launch initiatives. In addition, there are ongoing developments for the Draper engine and the Affordable Rapid Missile Demonstrator, alongside plans to increase solid rocket motor production to 200 SRMs annually through its Lynx manufacturing process.
Recent expansions of Ursa Major’s test facilities in Weld County, Colorado, underscore the company’s commitment to enhancing domestic manufacturing capabilities. These improvements will fortify its position in delivering scalable, American-made hypersonic and solid missile systems, catering to the demands of defense and security.
About Ursa Major
Headquartered in Berthoud, Colorado, with additive manufacturing operations in Youngstown, Ohio, Ursa Major is at the forefront of innovation in the aerospace and defense industries. The company is dedicated to delivering advanced capabilities in hypersonics, solid rocket motors, in-space propulsion, and launch systems. Through its unique production techniques and architecture, Ursa Major works to revitalize the defense industrial base for the United States and allied nations, emphasizing the delivery of critical capabilities where speed and adaptability are essential.
As Ursa Major moves forward, the integration of experienced leaders like Meredith and Siebert marks a significant step towards enhancing its operational effectiveness and meeting the growing demands of the aerospace and defense sectors.