Ben Stein

Active Investor

General Partner at Cartography Cap

San Francisco, United States

Ben Stein, General Partner at Cartography Cap is an active investor based in San Francisco, United States. This profile covers what Ben Stein backs, at which stage, and how founders can reach out in 2026.

Ben Stein is a General Partner at Cartography Cap, focusing on infrastructure, deep tech, and sustainability.

Ben Stein invests in Hardware & Deep Tech and Climate & Energy, typically at Early Stage Venture.

Investor type
VC
Stages
Early Stage Venture
Invests in
Hardware & Deep TechClimate & Energy
Location
San Francisco, United States
Typical check
$500K

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Round Funded. "Ben Stein." Round Funded investor database, updated November 3, 2026.

Stable URL, it will not change: https://www.roundfunded.com/en/investor/ben-stein

Frequently Asked Questions

Who is Ben Stein?

Ben Stein, General Partner at Cartography Cap is an active investor based in San Francisco, United States. Ben Stein invests in Hardware & Deep Tech and Climate & Energy, typically at Early Stage Venture.

What does Ben Stein invest in?

Ben Stein invests in Hardware & Deep Tech and Climate & Energy, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.

What stage does Ben Stein invest at?

Ben Stein typically invests at Early Stage Venture. Lead with traction that fits the stage when you reach out.

What is Ben Stein's typical check size?

Ben Stein typically writes checks around $500K. Use it as a signal for whether your raise fits their stage.

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.