Alba Rita Costa

Principal at Sandstone Seed Fund | ex-Criteo

Sandstone Seed Fund

Lisbon, Portugal · WET (UTC+0)

6+ years experience

Stockholm School of Economics

English, Portuguese

Investing

Messaging unavailable

Overview

I invest in fintech at Sandstone Seed Fund, usually at pre-seed and seed. Backed 43 founders at pre-seed and seed. Led or co-led 29 investments, 4 of them now at Series B or later. Swimming before work keeps me sane.

Good reasons to reach out

Founders building in fintech
Second opinions on board work decisions
Thoughtful intros to people in my field
Speaking or podcast invitations

Please don't message about

Agency or outsourcing pitches
Offshore staffing offers
Unpaid work or spec projects

Skills

venture capitalboard workgo-to-marketdue diligence

InvestingLooking to invest

closes in 3 months

Writing $500k cheques into pre-seed fintech in India and SEA

Cheque size: $500k
Stages: Series A
Sectors: Fintech
Geographies: India
Lead or follow: Lead
Decision time: About two weeks
How I help: Hiring the first ten people

Happy to follow a strong lead. We reply to every founder.

Lisbon, Portugaldue diligenceboard workventure capital

Open

Experience

Principal
Oct 2025 - Present
Sandstone Seed Fund · 1 yr · Full-time · Lisbon, Portugal
- Sit on 5 boards.
- Led or co-led 16 investments, 9 of them now at Series B or later.
- Backed 42 founders at pre-seed and seed.
Finance Director
Jul 2022 - Oct 2025
Criteo · 3 yr 3 mo · Contract · Lisbon, Portugal
- Saved $6 million a year renegotiating vendor contracts.
Senior Financial Analyst
Mar 2021 - Jul 2022
Accenture · 1 yr 4 mo · Full-time · Lisbon, Portugal
- Took forecast accuracy to within 3% for 9 straight quarters.

References

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Education

Stockholm School of Economics
MSc, Finance
2021 - 2023
Bocconi University
BSc, Finance
2016 - 2019

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