Alejandra Guillén
Investment Partner at Great Filter Ventures
San Francisco, California
Alejandra Guillén, Investment Partner at Great Filter Ventures is an active investor based in San Francisco, California. This profile covers what Alejandra Guillén backs, at which stage, and how founders can reach out in 2026.
Alejandra Guillén is an Investment Partner at Great Filter Ventures, with a career at the intersection of life sciences, digital health, and mental wellness.
Alejandra Guillén invests in Healthcare & Biotech and Digital Health & HealthTech, typically at Early Stage Venture.
- Investor type
- VC
- Stages
- Early Stage Venture
- Invests in
- Healthcare & BiotechDigital Health & HealthTech
- Location
- San Francisco, California
- Typical check
- $500K
How to reach Alejandra Guillén
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About this profile
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Round Funded. "Alejandra Guillén." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/alejandra-guillen
Frequently Asked Questions
Who is Alejandra Guillén?
Alejandra Guillén, Investment Partner at Great Filter Ventures is an active investor based in San Francisco, California. Alejandra Guillén invests in Healthcare & Biotech and Digital Health & HealthTech, typically at Early Stage Venture.
What does Alejandra Guillén invest in?
Alejandra Guillén invests in Healthcare & Biotech and Digital Health & HealthTech, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Alejandra Guillén invest at?
Alejandra Guillén typically invests at Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is Alejandra Guillén's typical check size?
Alejandra Guillén 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.