Bob Williams

Active Investor

Investor and Advisor at Arms Cyber

Menlo Park, California

Bob Williams, Investor and Advisor at Arms Cyber is an active investor based in Menlo Park, California. This profile covers what Bob Williams backs, at which stage, and how founders can reach out in 2026.

Retired venture capital investor and advisor with a background as a serial entrepreneur, having been involved in five startups with multiple IPOs and an acquisition.

Bob Williams invests in SaaS & Enterprise and Cybersecurity, typically at Seed and Early Stage Venture.

Location
Menlo Park, California
Typical check
$375K

What does Bob Williams invest in?

Investor type
AngelVC
Stages
SeedEarly Stage Venture

Where is Bob Williams based?

Bob Williams is based in Menlo Park, California.

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How to reach Bob Williams

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About this profile

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Cite this page

Round Funded. "Bob Williams." Round Funded investor database, updated September 22, 2026.

Stable URL, it will not change: https://www.roundfunded.com/en/investor/bob-williams-menlo-park

Frequently Asked Questions

Who is Bob Williams?

Bob Williams, Investor and Advisor at Arms Cyber is an active investor based in Menlo Park, California. Bob Williams invests in SaaS & Enterprise and Cybersecurity, typically at Seed and Early Stage Venture.

What does Bob Williams invest in?

Bob Williams invests in SaaS & Enterprise and Cybersecurity, typically at Seed and Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.

What stage does Bob Williams invest at?

Bob Williams typically invests at Seed and Early Stage Venture. Lead with traction that fits the stage when you reach out.

What is Bob Williams's typical check size?

Bob Williams typically writes checks around $375K. Use it as a signal for whether your raise fits their stage.

Where is Bob Williams based?

Bob Williams is based in Menlo Park, California.

How do founders reach investors like this?

Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.

What is Round Funded?

Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.

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