Castelion
Founded
2025
Status
Private
Leadership
Bryon Hargis - Co-Founder & CEO
Sean Pitt - Co-Founder & COO
Andrew Kreitz - Co-Founder & CFO
LSVP Investment
2024
Stage Invested
Series A
Lightspeed Team
Connor Love - Partner
Raviraj Jain - Partner
Ravi Mhatre - Partner & Co-Founder

Castelion was founded to restore America’s ability to field advanced weapons at speed and scale. Inspired by the engineering urgency of the WWII and Apollo eras, we combine rapid iteration, vertical integration, and scalable manufacturing to deliver affordable, high-performance systems. Our mission: rebuild industrial agility to strengthen national security and outpace evolving threats.

Castelion
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