Sierra Space Appoints Dan Jablonsky as Chief Executive Officer to Drive Next Phase of Growth Across National Security and Space Markets
Sierra Space, a leading aerospace and defense technology company recognized for delivering critical solutions to the nation’s most strategic missions, announced today that it has appointed Dan Jablonsky as its new Chief Executive Officer, effective March 2, 2026. This key leadership change comes at a pivotal moment for the company as it prepares to scale operations and expand its footprint across the national security, defense, civil, and commercial space markets.
Fatih Ozmen, co-founder of Sierra Space, who has been serving as interim CEO, will continue to provide strategic guidance as Chair of the Board. Ozmen, who co-founded the company with her husband, has been instrumental in building Sierra Space into a recognized leader in space technology solutions. Her continued involvement ensures continuity of vision while the company embarks on its next phase of growth under Jablonsky’s operational leadership.
Dan Jablonsky brings a wealth of experience in aerospace, defense, and technology industries, with a career spanning more than two decades in senior leadership roles at some of the world’s most respected organizations. Most recently, he served as Chair and Chief Executive Officer at Ursa Major Technologies, a company focused on developing innovative propulsion systems for commercial and defense applications. Prior to Ursa Major, Jablonsky held the positions of CEO, President, and Board Member at Maxar Technologies, a global leader in satellite manufacturing, Earth intelligence, and geospatial services. Early in his career, he was President of DigitalGlobe, where he helped lead the company through a period of significant growth and technological advancement in the satellite imagery and analytics sector.
In addition to his executive experience, Jablonsky serves on the boards of BWX Technologies, a company specializing in nuclear components and fuel for the U.S. Navy and other government applications, and the National Intelligence University Foundation, which supports the development of education and training for intelligence professionals. His broad experience across commercial and defense aerospace, satellite technology, and national security programs positions him uniquely to lead Sierra Space as the company expands production, strengthens operational capabilities, and advances its strategic initiatives.
“Dan brings tremendous experience leading complex aerospace and defense organizations at scale,” said Ozmen. “As Sierra Space prepares for expansion, advances key programs across both civil and defense markets, and continues to meet growing customer demand, this is an exciting time to bring in a CEO with a proven track record in operational execution, disciplined growth, and delivering value to both customers and stakeholders. We are confident that his leadership will help guide Sierra Space into its next chapter of growth and technological achievement.”
Jablonsky began his career in the U.S. Navy, serving as a surface warfare officer and nuclear engineer. During his service, he gained first-hand experience managing complex systems and leading high-performing teams in high-stakes environments—skills that have defined his approach to corporate leadership throughout his career. He holds a bachelor’s degree in mechanical engineering from the U.S. Naval Academy and earned a law degree from the University of Washington, combining technical expertise with a strong understanding of governance, regulatory frameworks, and strategic decision-making.
Commenting on his appointment, Jablonsky said, “Sierra Space has built meaningful technical depth and strong customer partnerships across national security and civil space sectors. I am honored to join the company at this exciting juncture and grateful for the board’s confidence. My focus will be on scaling operational execution, strengthening performance across our programs, and ensuring we continue to deliver critical capabilities that meet the evolving needs of our customers. The opportunity to work with such a talented and dedicated team is a privilege, and I look forward to advancing Sierra Space’s mission to deliver innovative solutions for our nation and commercial partners.”
Founded with the mission of advancing space technology to benefit both government and commercial sectors, Sierra Space has become a critical partner for national security agencies and civil space organizations. The company develops cutting-edge solutions across a range of areas, including spacecraft systems, propulsion technologies, and mission-critical infrastructure. Its work supports a wide array of applications, from national defense and intelligence to satellite communications and human spaceflight.
Under Ozmen’s leadership, Sierra Space has focused on building a strong technological foundation and nurturing relationships with key customers and stakeholders in the defense, civil, and commercial space markets. The company has delivered significant advancements in aerospace engineering, space logistics, and mission operations, positioning it as a trusted partner in addressing some of the most complex challenges in space. Jablonsky’s appointment signals the company’s intention to build on this foundation, leveraging his operational experience to accelerate growth, optimize production, and ensure that programs are delivered efficiently and effectively.
The leadership transition also reflects a broader trend in the aerospace and defense industry, where organizations are increasingly looking for executives with deep experience managing both commercial and government programs. Jablonsky’s background in leading organizations like Maxar Technologies and Ursa Major Technologies demonstrates his ability to navigate the complex regulatory, technical, and operational environments inherent in aerospace and defense. His knowledge of satellite systems, propulsion technologies, and mission-critical operations will be invaluable as Sierra Space continues to expand its presence in key markets and invest in innovative solutions that support national security and commercial objectives.
Looking ahead, Sierra Space is poised for significant growth. The company plans to expand its production capabilities, enhance its program management infrastructure, and continue developing technologies that advance both national security and commercial space initiatives. With Jablonsky at the helm, Sierra Space is expected to accelerate its operational excellence, deepen customer engagement, and reinforce its position as a leader in delivering critical space capabilities.
In conclusion, the appointment of Dan Jablonsky as CEO marks a new era for Sierra Space. Combining a legacy of technical innovation, a strong customer-focused culture, and the leadership of a seasoned aerospace executive, the company is well-positioned to address the evolving needs of national security, defense, and civil space markets. As Sierra Space moves forward, Jablonsky’s vision and experience will guide the company in scaling its operations, strengthening performance, and delivering transformative solutions that advance the future of security and exploration in space.
