About Sierra Space
Sierra Space is an Aerospace, Defense & Maritime company based in Broomfield (United States) founded in 2008 by Eren Ozmen. Engineering solutions are developed for space transportation, habitation, and applications. It operates on a Managed Services and Direct-to-Consumer (D2C) model. Sierra Space has raised $2.29 billion across 5 funding rounds from investors including NASA, BlackRock and General Atlantic. The company has 1,370 employees. Sierra Space was last valued at $8 billion in March 2026. Its website sierraspace.com draws about 50 thousand monthly visits. Sierra Space offers products and services including Dream Chaser Spaceplane, National Security Satellites, Orbital Reef, and Rocket Engines & Propulsion. Its focus areas include Aerospace, Space Technology, Spacecraft Manufacturing and Defense. Its legal entity is Sierra Space Corporation. Its competitors include NanoRacks, Hadrian and True Anomaly; 3 of its 3 listed competitors have raised funding.
Company details
Sierra Space is involved in the design, manufacturing, and delivery of mission-proven space technologies. Focus is placed on satellite systems for national security, reusable spaceplanes like Dream Chaser, and space infrastructure such as Orbital Reef. Solutions are provided for human spaceflight, environmental systems for microgravity, and propulsion technologies. Operations span across defense tech and commercial space exploration sectors, with nearly 30 years of expertise in delivering over 4,000 space systems and supporting 500 missions.
- Total Equity Funding$2.29B (USD)
in 5 rounds
- Latest Funding Round$550M (USD), Series C
Mar 2026
- InvestorsNASA
& 11 more
- Employee Count1,370
Products & Services of Sierra Space
Sierra Space offers a comprehensive portfolio of products and services, including Dream Chaser Spaceplane, National Security Satellites, Orbital Reef, and Rocket Engines & Propulsion.
Reusable spaceplane designed for commercial runway-capable missions.
Satellites developed for national security mission support.
Space station infrastructure for microgravity research platforms.
Advanced propulsion systems developed for space missions.
Apps and channels of Sierra Space
its YouTube channel Sierra Space has 27.1K subscribers and 30 videos.
Videos from Sierra Space
The most watched videos on Sierra Space's YouTube channel, Sierra Space (27.1K subscribers). Click a video to play it here.
More on Sierra Space.
Funding Insights of Sierra Space
Sierra Space has successfully raised a total of $2.29B across 5 strategic funding rounds. The most recent funding activity was a Series C round of $550 million completed in March 2026. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
- Total Funding $2.29B
- Total Rounds 5
- Last Round Series C — $550M
- First Round $1.41B
(Nov 2021)
- Investors Count 12
All 5 funding rounds of Sierra Space with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Mar 2026 | $550M | Series C | – | LuminArx | |
| Nov 2023 | $1M | Grant | – | – | |
| Sep 2023 | $300M | Series B | $5.3B | Kanematsu, Tokio Marine & Nichido Fire Insurance | – |
| Apr 2023 | $30.56M | Series A | – | – | – |
| Nov 2021 | $1.41B | Series A | – | General Atlantic, Coatue |
| Date | Valuation | Stage |
|---|---|---|
| Sep 2023 | $5.3B | •••••••• |
| Nov 2021 | $1.4B | •••••••• |
Last known valuation $8B (Mar 2026). 12 investors in total: 12 institutional.
Investors in Sierra Space
Sierra Space has secured backing from 12 investors, including institutional and venture fund investors. Prominent investors backing the company include NASA, BlackRock and General Atlantic.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Private equity fund focused on global markets | 1980 | generalatlantic.com | New York, United States | |
Provider of an investment platform for various stages | coatue.com | New York, United States | ||
| aeroequity.com | ||||
Government space exploration and research services are provided. | 1958 | nasa.gov | United States | |
Integrated trading and business solutions are provided across diverse sectors. | 1889 | kanematsu.co.jp | Chiba, Japan | |
Property and casualty insurance services are provided in Japan. | tokiomarine-nichido.co.jp | Chiyoda City, Japan | ||
Multiple sectors are advised through specialized finance teams. | mufgcampus.com | Chiyoda-ku, Japan | ||
Diversified investment management firm and private fund focused on debt, equity, and secondary market investments in multiple sectors | 1988 | blackrock.com | New York, United States | |
Strategic investments in ventures are managed from New York. | moorestrategicventures.tcc.mode | New York, United States | ||
Global alternative investment manager specializing in special situations and capital solutions. | 2020 | luminarx.com | New York, United States |
Investor details for Sierra Space
The complete investor list, round-by-round participation and investor portfolios require an active premium plan.
- Complete investor list
- Round participation
- Investor portfolios
- Co-investor network
Verified entity values are shown only after access is granted.
People of Sierra Space
90 people are tracked at Sierra Space (37 in leadership, 14 in board & advisors, 39 in team); the tracked headcount is 1,370.
| Name | Role | Group |
|---|---|---|
Drew Gottula | Director of Engineering, Flight Sciences | Leadership |
Eren Ozmen | Co-Founder | Leadership |
Rachel Harpster | Director, Human Resource Business Partner | Leadership |
Alessandro S. | Chief Accounting Officer | Leadership |
Lyle Rogers | Vice President Of Finance & Business Operations | Leadership |
Addison Brush | Director Of Fp&a | Leadership |
Tiffany Marley | Director Of Program Operations | Leadership |
Jeff Babione | COO | Leadership |
Heidi Hendrix | Chief People Officer | Leadership |
Fatih Ozmen | Interim CEO | Leadership |
Janet Kavandi | President | Leadership |
Troy Lahr | CFO | Leadership |
Wes C. | Vice President Special Projects | Leadership |
Loren Sexton | Director, Real Estate & Facilities | Leadership |
Jamie Armijo | Sr Director HR Technology And Benefits | Leadership |
Jen Morin | Head Of Talent Acquisition | Leadership |
Brian Layman | Director Of Operations | Leadership |
Dave Burns | Director Of Operations | Leadership |
Amish Patel | Chief Operating Officer | Leadership |
James Matti | Sr. Director, Head Of Contracts | Leadership |
70 more people are available in the full profile.
Complete people profiles for Sierra Space
Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.
- Full employee list
- Team structure
- Board tenure
- Professional contacts
Verified entity values are shown only after access is granted.
Timeline of Sierra Space
4 dated milestones of Sierra Space across 18 years, from founding to its latest funding, stage changes and deals.
- Founded Sierra Space is founded.
- Funding First funding round of $1.4B.
- Milestone Reaches Unicorn status.
- Funding Latest funding round, Series C, of $550.0M.
Competitors of Sierra Space
Sierra Space has 3 listed competitors in our database, 3 of them funded. They include NanoRacks, Hadrian and True Anomaly.
| Company Name | Domain | Founded | HQ Location | Total funding | Employees | Description |
|---|---|---|---|---|---|---|
| nanoracks.com | 2009 | Houston, United States | $2.6M | 55 | Space habitats are manufactured for microgravity research facilities. | |
| hadrian.co | 2020 | Palo Alto, United States | $1.99B | 1 | Hadrian is involved in manufacturing for future technologies. | |
| trueanomaly.space | 2022 | Denver, United States | $1.03B | 51 | Materials and products for space solutions are developed. |
Detailed competitors of Sierra Space
The full competitor set, operating metrics and side-by-side benchmarks require an active premium plan.
- Full competitor set
- Operating metrics
- Benchmarks
- Competitive positioning
Verified entity values are shown only after access is granted.
Web traffic of Sierra Space
The website of Sierra Space (sierraspace.com) receives about 50.4K visits a month.
- Monthly visits50.4K
▲ 53% vs previous month
Websites whose visitors overlap most with Sierra Space. Affinity shows how closely the audiences match.
| Website | Domain | Audience affinity | Monthly visits | Global rank | Profile |
|---|---|---|---|---|---|
| spacecrew.com | 100% | #296,949 | View details | ||
careers.gknaerospace.com | careers.gknaerospace.com | 91% | #1,008,497 | – | |
jobs.boeing.com | jobs.boeing.com | 88% | #50,741 | – | |
| gradcracker.com | 88% | #55,028 | View details |
Top companies in Space Research & Technology
3 companies that operate in the same segment as Sierra Space (Space Research & Technology) in United States, ranked by their profile score on The Company Check.
| Company | Description | Founded | Location | Total funding | Revenue | Employees |
|---|---|---|---|---|---|---|
Cloud-based satellite imagery data and analytics solutions are provided. | 2010 | San Francisco, California, United States | USD 601.59 M | USD 307.73 M | 1,749 | |
Astra is engaged in providing space launch services. | 2016 | Alameda, California, United States | USD 136.93 M | |||
Reusable launch vehicles for large payloads are developed and launched. | 2002 | Hawthorne, California, United States | USD 11.86 B | USD 18.67 B | 20,833 |
Unlock complete access to The Company Check
Get unrestricted viewing across everything we track — from companies and brands to investors, funding rounds, acquisitions, financials, and more.
- Unlimited viewing on all profiles Companies, investors, financials, funding, acquisitions & directors
- Full access to every database India & global coverage, advanced filters and rich profile details
- Always-on access from your team account Single premium plan for everything you see on the portal
Related news about Sierra Space
Complete news archive for Sierra Space
Full article history, source details, and older brand coverage require an active premium plan.
- Full article archive
- Source and publication date
- Older coverage
- Brand-specific news history
Verified entity values are shown only after access is granted.
Frequently Asked Questions about Sierra Space
Sierra Space was founded in 2008 and raised its 1st funding round 13 years after it was founded.
Sierra Space is headquartered in Broomfield, United States. It is registered at Broomfield, Colorado, United States.
Sierra Space is a funded company, having raised a total of $2.29B across 5 funding rounds to date. The company's 1st funding round was a Series A of $1.41B, raised on Nov 2021.
Sierra Space has 1,370 employees.
Sierra Space is involved in the design, manufacturing, and delivery of mission-proven space technologies. Focus is placed on satellite systems for national security, reusable spaceplanes like Dream Chaser, and space infrastructure such as Orbital Reef. Solutions are provided for human spaceflight, environmental systems for microgravity, and propulsion technologies. Operations span across defense tech and commercial space exploration sectors, with nearly 30 years of expertise in delivering over 4,000 space systems and supporting 500 missions.
Sierra Space's top competitors include True Anomaly, Hadrian and NanoRacks.
Sierra Space offers Dream Chaser Spaceplane, National Security Satellites, Orbital Reef, and Rocket Engines & Propulsion.
Sierra Space has 12 investors. Key investors include NASA, BlackRock, General Atlantic, Kanematsu, and MUFG Campus.
The valuation of Sierra Space is $8B as of Mar 2026.
Sierra Space operates through Sierra Space Corporation.