Leonardo Giagnoni

Active Investor

Founding Partner at HayStack Ventures

Milan, Lombardy

LinkedIn

Leonardo Giagnoni, Founding Partner at HayStack Ventures is an active investor based in Milan, Lombardy. This profile covers what Leonardo Giagnoni backs, at which stage, and how founders can reach out in 2026.

Leonardo Giagnoni is a Founding Partner at HayStack Ventures and a Venture Scout for EWOR, focusing on supporting Italian founders.

Leonardo Giagnoni invests in SaaS & Enterprise, Fintech and Artificial Intelligence, typically at Seed, Series A and Early Stage Venture.

Location
Milan, Lombardy
Typical check
$500K

What does Leonardo Giagnoni invest in?

Investor type
VC
Stages
SeedSeries AEarly Stage Venture

Where is Leonardo Giagnoni based?

Leonardo Giagnoni is based in Milan, Lombardy.

Browse more startup investors near Leonardo Giagnoni:
Startup investors in MilanStartup investors in Italy

How to reach Leonardo Giagnoni

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About this profile

This profile is part of Round Funded, an investor database and outreach platform for founders. It covers 60,000+ active VCs, angels, family offices and accelerators with verified contacts, lets you send pitches from your own Gmail, and includes a free Data Room for your raise. How this data is built.

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Round Funded. "Leonardo Giagnoni." Round Funded investor database, updated September 22, 2026.

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

Frequently Asked Questions

Who is Leonardo Giagnoni?

Leonardo Giagnoni, Founding Partner at HayStack Ventures is an active investor based in Milan, Lombardy. Leonardo Giagnoni invests in SaaS & Enterprise, Fintech and Artificial Intelligence, typically at Seed, Series A and Early Stage Venture.

What does Leonardo Giagnoni invest in?

Leonardo Giagnoni invests in SaaS & Enterprise, Fintech and Artificial Intelligence, typically at Seed, Series A and Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.

What stage does Leonardo Giagnoni invest at?

Leonardo Giagnoni typically invests at Seed, Series A and Early Stage Venture. Lead with traction that fits the stage when you reach out.

What is Leonardo Giagnoni's typical check size?

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

Where is Leonardo Giagnoni based?

Leonardo Giagnoni is based in Milan, Lombardy.

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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