Sierra Space Names Dan Jablonsky Chief Executive Officer

Sierra Space has appointed Dan Jablonsky as chief executive officer, effective March 2, 2026, marking a significant leadership transition as the company positions itself for expanded activity across national security, civil, and commercial space markets. Founder Fatih Ozmen, who has been serving as interim CEO, will continue as chair of the board.

Leadership Experience Across Defense and Space

Jablonsky brings a background that spans propulsion, satellite systems, geospatial intelligence, and national security programs. He most recently served as chair and CEO of Ursa Major Technologies, and previously held senior leadership roles at Maxar Technologies and DigitalGlobe. His experience includes guiding large scale aerospace organizations through periods of operational growth, technology maturation, and customer diversification. He also serves on the boards of BWX Technologies and the National Intelligence University Foundation.

Ozmen noted that Jablonsky’s operational track record aligns with Sierra Space’s current trajectory as the company scales production, advances key programs, and responds to increasing demand from government and commercial customers.

Background in Defense and Engineering

Jablonsky began his career as a surface warfare officer and nuclear engineer in the United States Navy. He holds a mechanical engineering degree from the United States Naval Academy and a law degree from the University of Washington. His combination of technical, operational, and executive experience positions him to guide Sierra Space as it expands its role in space based defense capabilities and next generation spacecraft development.

Strategic Direction for Sierra Space

Sierra Space has built a portfolio that includes satellites, spacecraft, reusable spaceplanes, hypersonic technologies, propulsion systems, and mission infrastructure. With more than three decades of flight heritage and both classified and unclassified facilities, the company supports national security missions and civil and commercial programs. Its technologies contribute to protecting space based assets, enabling responsive space operations, and supporting emerging space economy initiatives.

Jablonsky emphasized the company’s technical depth and customer partnerships, noting his focus on scaling execution and strengthening operational performance as Sierra Space enters its next phase of growth.

About Sierra Space

Sierra Space is headquartered in Colorado and develops satellites, spacecraft, propulsion systems, reusable spaceplanes, hypersonic technologies, and mission infrastructure for national security, civil, and commercial customers. The company’s flight proven technologies support critical missions across defense and space exploration and contribute to the advancement of space based capabilities for future generations.