# Andrew Kreitz

> Andrew Kreitz is the Los Angeles-based co-founder and chief financial officer of Castelion, a defense manufacturer founded by three former SpaceX colleagues in 2022. After leading finance work for classified programs at SpaceX and aerospace and defense deals at Goldman Sachs, he helped take Castelion from a ten-person team testing hardware in the desert to a company financing high-rate production of its Blackbeard hypersonic strike system. In 2026, he helped lead a $1 billion Series C as Castelion moved toward production at its 1,000-acre Project Ranger campus in New Mexico.

- **Role:** Co-Founder and Chief Financial Officer at Castelion
- **Organizations:** Castelion, SpaceX, Goldman Sachs
- **Education:** B.A. in Business Economics, University of California, Los Angeles, MBA in Finance, The University of Chicago Booth School of Business
- **Known for:** Co-founded Castelion with Bryon Hargis and Sean Pitt in 2022., Led launch forecasting, government cost proposal work, and financial planning and analysis for classified programs at SpaceX., Executed more than $10 billion in aerospace and defense mergers and acquisitions while at Goldman Sachs, according to Castelion.

## Career timeline

- **Before 2020** — Worked in Goldman Sachs’ investment banking division, rising to vice president and focusing on aerospace and defense; Castelion says he executed more than $10 billion in mergers and acquisitions.
- **2020-2022** — Worked in finance at SpaceX, leading launch forecasting, government cost proposals, and financial planning and analysis for classified programs.
- **2022** — Left SpaceX with Bryon Hargis and Sean Pitt and co-founded Castelion after developing the idea on nights and weekends.
- **2023-2024** — Helped the young company move from early propellant and rocket-motor tests to its first hypersonic test-vehicle flight and government awards.
- **2025** — Castelion opened a 90,000-square-foot Torrance headquarters, completed 21 flight tests during the year, announced Project Ranger, and closed a $350 million Series B.
- **2026** — Helped lead Castelion’s $1 billion Series C; the company advanced Blackbeard toward 2027 fielding and moved Project Ranger from groundbreaking toward initial operations.

## Achievements

- Co-founded Castelion with Bryon Hargis and Sean Pitt in 2022.
- Led launch forecasting, government cost proposal work, and financial planning and analysis for classified programs at SpaceX.
- Executed more than $10 billion in aerospace and defense mergers and acquisitions while at Goldman Sachs, according to Castelion.
- Helped build Castelion from an approximately ten-person startup into a defense manufacturer pursuing high-rate production.
- Led Castelion’s first CFO-led financing round, a $1 billion Series C announced in August 2026, according to co-founder Bryon Hargis.
- Participated in the selection and public launch of Project Ranger, Castelion’s 1,000-acre production campus in Sandoval County, New Mexico.

## Latest updates

- **2026-09** — Castelion announced a U.S. Navy production delivery order valued at up to $200 million for an initial lot of Blackbeard weapons, following an earlier order for 50 early operational capability weapons.
- **2026-08** — Kreitz helped lead Castelion’s $1 billion Series C, consisting of $800 million in equity and a $250 million committed revolving credit facility; the round valued Castelion at $13 billion.
- **2026-05** — Castelion announced a framework agreement calling for at least 500 Blackbeard missiles per year after testing and validation, with a path to additional purchases.
- **2026-04** — Castelion announced a $105 million Navy award to continue integrating Blackbeard with the F/A-18 and pursue early operational capability in 2027.
- **2026-01** — Kreitz joined company, state, local, and military leaders at the groundbreaking for Project Ranger in Sandoval County, New Mexico.

## Links

- Website: https://www.castelion.com
- LinkedIn: https://www.linkedin.com/in/andrewkreitz

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Profile page: https://yespress.io/andrew-kreitz
Published by YesPress — https://yespress.io
Last updated: 2026-09-26