Renzo Castillo

Active Investor

Principal & Strategic Advisor | Applied AI & Ops at Rabona Ventures

San Francisco, California

Renzo Castillo, Principal & Strategic Advisor | Applied AI & Ops at Rabona Ventures is an active investor based in San Francisco, California. This profile covers what Renzo Castillo backs, at which stage, and how founders can reach out in 2026.

Renzo Castillo is a Principal & Strategic Advisor at Rabona Ventures, focusing on Applied AI, human-machine systems, and B2B2C platforms for execution-critical environments.

Renzo Castillo invests in Artificial Intelligence, Climate & Energy and SaaS & Enterprise, typically at Pre Seed and Seed.

Location
San Francisco, California
Typical check
$150K

What does Renzo Castillo invest in?

Investor type
VC

Where is Renzo Castillo based?

Renzo Castillo is based in San Francisco, California.

How to reach Renzo Castillo

Angels and operators like Renzo Castillo reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded.

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Round Funded. "Renzo Castillo." Round Funded investor database, updated September 22, 2026.

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

Frequently Asked Questions

Who is Renzo Castillo?

Renzo Castillo, Principal & Strategic Advisor | Applied AI & Ops at Rabona Ventures is an active investor based in San Francisco, California. Renzo Castillo invests in Artificial Intelligence, Climate & Energy and SaaS & Enterprise, typically at Pre Seed and Seed.

What does Renzo Castillo invest in?

Renzo Castillo invests in Artificial Intelligence, Climate & Energy and SaaS & Enterprise, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.

What stage does Renzo Castillo invest at?

Renzo Castillo typically invests at Pre Seed and Seed. Lead with traction that fits the stage when you reach out.

What is Renzo Castillo's typical check size?

Renzo Castillo typically writes checks around $150K. Use it as a signal for whether your raise fits their stage.

Where is Renzo Castillo based?

Renzo Castillo is based in San Francisco, 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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