Sam Stonberg

Sam Stonberg

Senior Investment Manager atLockheed Martin VenturesMaryland

Sam Stonberg is an Investment Director at Lockheed Martin Ventures, focusing on aeronautics, advanced weapons, cybersecurity, and climate technology. He previously led Space-related inorganic investment strategy at Lockheed Martin and held roles in private equity and investment banking.

What Sam can write

Writes checks of$1M to $10M
Comes in atPre-seed, Seed, Series A, Series BMostly follows a lead
Pitch pageSubmit on their siteThe firm asks founders to apply here.

Lockheed Martin Ventures writes $1M to $10M checks, larger than 83% of firms in the atlas.

Bars: how many firms report each check band. Highlighted: Lockheed Martin Ventures.

Career

  1. emerging market private equity firm · investment management
  2. bulge-bracket investment bank · investment management
  3. Lockheed Martin · led Space-related inorganic investment strategy
    Now
  4. Lockheed Martin Ventures · Investment Director, Europe
    Now
  5. Lockheed Martin Ventures · Senior Investment Manager
    Now

Focus

aeronautics technologiesadvanced weaponscybersecurityclimate technology

Education

Emory University, bachelor’s degree in EconomicsBoston University, MBAFletcher School at Tufts, Masters in Law & Diplomacy

Also at Lockheed Martin Ventures

Partners like Sam

At firms with a similar stage, sector and check size.

Alert me when Lockheed Martin Ventures is active

One email when Sam's firm raises a fund, adds a partner or shows new activity.

Founders and investors at a Mode VC gathering

Send Mode VC your deck

Raising a pre-seed or seed round? We write $1M to $5M first checks and help founders with distribution. A partner reads every deck.

Send your deck

Questions

Who is Sam Stonberg?

Sam Stonberg is an Investment Director at Lockheed Martin Ventures, focusing on aeronautics, advanced weapons, cybersecurity, and climate technology. He previously led Space-related inorganic investment strategy at Lockheed Martin and held roles in private equity and investment banking.

How much does Sam Stonberg invest?

Sam Stonberg invests through Lockheed Martin Ventures, which writes checks of $1M to $10M at pre-seed, seed, series a, series b.

How do I pitch Sam Stonberg?

A warm intro from a founder Lockheed Martin Ventures backed works best.

What did Sam Stonberg do before Lockheed Martin Ventures?

investment management at emerging market private equity firm; investment management at bulge-bracket investment bank.

Last updated 2026-10-15. Is this you? Ask for a correction.