Bill Crowell is a partner and independent consultant in information technology, security, and intelligence. He held senior roles at the NSA and led Cylink, and has served on multiple corporate boards.

What Bill can write

Writes checks of$500K to $10M
Comes in atSeed, Series A, Series BCan lead the round
Pitch pageSubmit on their siteThe firm asks founders to apply here.

Alsop Louie Partners writes $500K to $10M checks, larger than 71% of firms in the atlas.

Bars: how many firms report each check band. Highlighted: Alsop Louie Partners.

Career

  1. National Security Agency · Deputy Director of Operations
    1991-1994
  2. National Security Agency · Deputy Director of NSA
    1994-1997
  3. Atlantic Aerospace Electronics Corporation · vice president
    1989-1990
  4. Cylink Corporation · President and CEO
    1998-2003
  5. Broadware Technologies · Chairman
  6. Alsop Louie Partners · Partner
    Now

Investments named in public bios

ArcSight, Inc.Narus, Inc.Six3 SystemsAir PatrolFixmo, Inc.SafeNet, Inc.ProximexSAP NS2 Proxy

Focus

information technologysecurityintelligence systems

Also at Alsop Louie Partners

Partners like Bill

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

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

Founders and investors at a Mode VC gathering

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Questions

Who is Bill Crowell?

Bill Crowell is a partner and independent consultant in information technology, security, and intelligence. He held senior roles at the NSA and led Cylink, and has served on multiple corporate boards.

How much does Bill Crowell invest?

Bill Crowell invests through Alsop Louie Partners, which writes checks of $500K to $10M at seed, series a, series b.

How do I pitch Bill Crowell?

A warm intro from a founder Alsop Louie Partners backed works best. A short LinkedIn note with one line on traction is the next best route.

What did Bill Crowell do before Alsop Louie Partners?

Deputy Director of Operations at National Security Agency; Deputy Director of NSA at National Security Agency; vice president at Atlantic Aerospace Electronics Corporation; President and CEO at Cylink Corporation; Chairman at Broadware Technologies.

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