Mariusz Gralewski
Angel investor in Barcelona
Barcelona, Catalonia
Mariusz Gralewski, Angel investor in Barcelona is an active investor based in Barcelona, Catalonia. This profile covers what Mariusz Gralewski backs, at which stage, and how founders can reach out in 2026.
- Investor type
- AngelOperator
- Stages
- Seed
- Invests in
- Healthcare & BiotechDigital Health & HealthTechSaaS & EnterpriseConsumer & RetailE-commerce & D2CIoT & Connected DevicesEdTechMarketplace
- Location
- Barcelona, Catalonia
- Typical check
- $250K
- Past investments
- 8
Notable investments
Brainly
Typeform
Eversports
StarOfServiceDeskbookers
PreplySkubacz.pl Sp. z o.oPositionlyHow to reach Mariusz Gralewski
Angels and operators like Mariusz Gralewski 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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About this profile
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Cite this page
Round Funded. "Mariusz Gralewski." Round Funded investor database, updated September 8, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/mariusz-gralewski
Frequently Asked Questions
What does Mariusz Gralewski invest in?
Mariusz Gralewski invests in Healthcare & Biotech, Digital Health & HealthTech, SaaS & Enterprise and Consumer & Retail, typically at Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Mariusz Gralewski invest at?
Mariusz Gralewski typically invests at Seed. Lead with traction that fits the stage when you reach out.
What is Mariusz Gralewski's typical check size?
Mariusz Gralewski typically writes checks around $250K. 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.