# First Fellow Partners

First Fellow Partners is a Single Family Office based in Helsinki, Finland.

## Overview

- **Organization type:** Single Family Office
- **Headquarters:** Helsinki, Finland
- **Region:** Europe
- **Address:** Itämerenkatu 11-13, 00181 Helsinki, Finland
- **Founded:** 2016
- **Assets under management:** Undisclosed
- **Website:** firstfellow.com
- **LinkedIn:** https://www.linkedin.com/company/first-fellow-partners

## Regulatory record

- **Reports private funds:** No

## About

First Fellow Partners was established in 2016 by Risto Siilasmaa. The office channels capital generated from his cybersecurity exit and Nokia leadership into technology ventures. The firm pursues early-stage venture investments and direct co-investments or SPVs. It covers startup rounds in Europe with emphasis on software, AI/ML, cybersecurity and related fields. Co-investment partners include Maki.vc and Tesi. Geographic focus remains Europe. No recent operational events from the last 24 months appear in available records. Team details list Kim Groop as managing partner alongside Siilasmaa. Adjacent vehicles or club memberships such as the European Round Table for Industry are noted but not quantified.

## Sectors

- FinTech
- Cybersecurity
- AI/ML
- ClimateTech
- AgriTech & FoodTech
- Industrial Tech

## People

- Risto Siilasmaa — Founder and Principal
- Kim Groop — Managing Partner and Co-founder

## Questions

### Who runs investment decisions at First Fellow Partners?

Risto Siilasmaa serves as founder and principal. Kim Groop acts as managing partner and co-founder. Decisions center on founder-led technology opportunities.

### How does First Fellow Partners source proprietary deal flow?

The firm draws on Siilasmaa networks from F-Secure and Nokia. It also works with recurring co-investors such as Maki.vc and Tesi in Finnish technology startups.

### Is First Fellow Partners structured as a single family office or does it operate more like a venture firm?

It functions as a single family office that invests only its own capital. The approach mirrors early-stage venture practice through direct commitments and SPVs.

### Does First Fellow Partners participate in fund commitments or only direct deals?

The office focuses on direct co-investments and SPVs rather than external fund commitments. All capital deployed belongs to the Siilasmaa family.

### What investment stages does First Fellow Partners typically target?

Activity centers on startup, seed and early-stage rounds. The strategy description lists growth and early-stage venture as core mandates.

## Related profiles

- [First Assetz](https://altss.com/profile/first-assetz)
- [FirstFive Family Office](https://altss.com/profile/firstfive-family-office)

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Last updated: 2026-06-03T20:00:00.000Z

Canonical page: https://altss.com/profile/first-fellow-partners-risto-siilasmaa-family-office

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