Sergio Diez
Angel investor in Madrid
Madrid, Spain
Sergio Diez, Angel investor in Madrid is an active investor based in Madrid, Spain. This profile covers what Sergio Diez backs, at which stage, and how founders can reach out in 2026.
- Investor type
- AngelVCVenture Debt
- Stages
- Pre SeedSeedSeries ASeries BLate Stage Venture
- Invests in
- SaaS & EnterpriseConsumer & RetailE-commerce & D2CClimate & EnergyDeveloper Tools & DataMobility & LogisticsSupply Chain & LogisticsPropTech & Real Estate
- Location
- Madrid, Spain
- Typical check
- $1M
- Past investments
- 3
Notable investments
How to reach Sergio Diez
Angels and operators like Sergio Diez 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 Accelerator.
Connect with Sergio Diez
Frequently Asked Questions
What does Sergio Diez invest in?
Sergio Diez invests in SaaS & Enterprise, Consumer & Retail, E-commerce & D2C and Climate & Energy, typically at Pre Seed, Seed, Series A and Series B. Match your sector and stage, then reach out with a personalized pitch.
What stage does Sergio Diez invest at?
Sergio Diez typically invests at Pre Seed, Seed, Series A and Series B. Lead with traction that fits the stage when you reach out.
What is Sergio Diez's typical check size?
Sergio Diez typically writes checks around $1M. Use it as a signal for whether your raise fits their stage.
How do I contact Sergio Diez?
Unlock Sergio Diez's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.