Sierra Space CEO Tom Vice has resigned, CNBC reports

Tom Vice, CEO of a private space technology company Sierra Cosmoshas left the company CNBC report.

Vice held the position for three and a half years, overseeing the VC-backed company $290 million in fundraising A valuation of $5.3 billion in 2023 and a military satellite contract In early 2024.

Despite some early success, Sierra Space, from aerospace contractor Sierra Nevada Corporation, has yet to launch the first mission of its reusable cargo space plane, the Dream Chaser. Delays over the summer led to Dream Chaser to be activated From the manifest of United Launch Alliance’s second Vulcan Centaur flight.

Saw Sierra Space during Vice’s tenure cuts and execution cycle. Vice teased Sierra Space’s plans last year go public In late 2025, though, it’s unclear whether those plans will continue under new leadership.

The company’s chairman, Faith Ozmen, will act as interim executive director.