Sierra Space
Unicorn · $8BBroomfield, US · Founded 2021 · 4 known investors
Find your way into Sierra Space
27 people in our graph share verified history with the Sierra Space team — schools, employers, funds. One of them is your warm intro.
Space company developing the Dream Chaser commercial spaceplane and the LIFE habitat for a next-generation LEO space station.
Also known as Sierra Space Corp. · Sierra Space Corporation
Founders & leadership
Sierra Space was founded in 2021 by Fatih Ozmen and Eren Ozmen.
Board
Investors · 4
.jpeg){kind=logo}
Reported raises · per SEC filings
Form D private placements$2B disclosed across 3 rounds · 2021–2026
▶$550MraisedMar 2026 · 2 investors · OtherRule 506(b)
- Fatih OzmenDirector
- Dan JablonskyExecutive Officer, Director
- Eren OzmenDirector
- John TorielloDirector
- Cyrus BehbehaniDirector
- Sue PaytonDirector
- Troy LahrExecutive Officer
- Kelly GarehimeExecutive Officer
- Colin BryantDirector
- Gregory SmithDirector
- Offering amount
- $550M
- Amount sold
- $550M
- Sales commissions
- $9.1M
- Placement agents
- Moelis & Company LLC
- First sale
- Mar 2026
- Incorporated
- Corporation, Delaware, 2021
- Federal exemptions
- 06b
▶$30.6MraisedApr 2023 · 37 investors · OtherRule 506(b)
- Tom ViceExecutive Officer, Director
- Jeff BabioneExecutive Officer
- Gregory SmithDirector
- Philippe LaffontDirector
- Troy LahrExecutive Officer
- Eren OzmenDirector
- Sue PaytonDirector
- John AbizaidDirector
- Kelly GarehimeExecutive Officer
- Fatih OzmenDirector
- William FordDirector
- Cyrus BehbehaniDirector
- Amount sold
- $30.6M
- First sale
- Jan 2022
- Incorporated
- Corporation, Delaware, 2021
- Federal exemptions
- 06b
▶$1.4BraisedDec 2021 · 31 investors · OtherRule 506(b)
- Tom ViceExecutive Officer, Director
- John AbizaidDirector
- Cyrus BehbehaniDirector
- Fatih OzmenDirector
- Eren OzmenDirector
- Philippe LaffonteDirector
- William FordDirector
- Offering amount
- $1.4B
- Amount sold
- $1.4B
- Finders' fees
- $19M
- Placement agents
- DBO Partners LLC, BofA Securities, Inc., Goldman Sachs & Co. LLC
- First sale
- Dec 2021
- Incorporated
- Corporation, Delaware, 2021
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Key figures
latest reportedCompany-reported or press-reported figures, each dated to when it was claimed — not independently audited.
Timeline · 26
launches, deals, and filingsSierra Space contracted to deliver an additional 18 satellites for the tracking layer of the Proliferated Warfighter Space Architecture.
$798M source ↗
Series C led by LuminArx Capital Management with participation from existing investors; brings total capital investment since 2021 to more than $2 billion and supports focus on national security space.
$550M source ↗
Dan Jablonsky, formerly of Ursa Major Technologies and Maxar Technologies, was appointed CEO; founder Fatih Ozmen remained board chair.
Sierra Space completed TVAC testing on a deployable radiator panel prototype at NASA's Johnson Space Center.
Sierra Space completed the first nine satellite structures for the Space Development Agency's Tranche 2 Tracking Layer three months ahead of schedule.
Completion of the Critical Design Review positions Sierra Space to deliver missile warning, missile tracking and missile defense capabilities for the Proliferated Warfighter Space Architecture.
Sierra Space announced a strategic transition for the Dream Chaser spaceplane to expand capabilities and mission readiness for a multi-use demonstration flight.
Sierra Space completed the Cybersecurity Maturity Model Certification 2.0 assessment with zero findings.
Sierra Space announced a successful full-scale burst test of the LIFE habitat, exceeding safety margins by 27%. Earlier sub-scale NextSTEP tests reached 192 psi (July 2022) and 204 psi (November 15, 2022) against a 182.4 psi safety requirement.
In early 2024 Sierra Space announced its own satellite bus line named Velocity, Horizon and Titan.
Assembly of the first Dream Chaser vehicle was completed; the vehicle was to be shipped to NASA's Neil A. Armstrong Test Facility for environmental testing.
Reports in November 2023 indicated Sierra Space laid off 165 workers in a company realignment; additional layoffs were reported in October 2024.
Sierra Space announced collaboration with BioServe Space Technologies to grow hematopoietic stem cells in microgravity for blood cancer treatment research.
Sierra Space partnered with Redwire on a biotech experiment platform to be installed on Sierra Space's commercial space station LIFE module.
A 27-month, $22.6 million contract under which Sierra Space will develop a 35,000 lbf thrust upper stage engine, including flight-weight engine components informed by component and integrated breadboard engine test data.
$22.6M source ↗
ILC Dover became the exclusive partner providing soft goods for Sierra Space's Large Integrated Flexible Environment (LIFE) modules for commercial space stations, and for spacesuit development.
The two companies received a $130 million contract to jointly develop Orbital Reef, described as the first commercially owned and operated space station, a mixed-use business park in low Earth orbit for commerce, research and tourism.
$130M source ↗
Sierra Space signed a Cooperative Research and Development Agreement with USTRANSCOM to develop concepts for using Dream Chaser spaceplanes and Shooting Star cargo modules for timely global delivery of Department of Defense logistics and personnel.
Sierra Space was founded on April 21, 2021 as a commercial spinout of Sierra Nevada Corporation, a privately held aerospace and defense contractor founded in 1963.
Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.
▸Research sources · 8
primary sources listed
- Sierra Space | Defining the New Era of Space Defense Technologysierraspace.com · web
8 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does Sierra Space do?
- Space company developing the Dream Chaser commercial spaceplane and the LIFE habitat for a next-generation LEO space station.
- Who founded Sierra Space?
- Sierra Space was founded by Fatih Ozmen, Eren Ozmen in 2021.
- Who are Sierra Space's investors?
- Sierra Space's investors include AE Industrial Partners, Boeing HorizonX Ventures, Coatue Management, Industrious Ventures.
- How much funding has Sierra Space raised?
- Sierra Space has disclosed $2B raised across 3 rounds.
- Where is Sierra Space headquartered?
- Sierra Space is headquartered in Broomfield, US.