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Angel NetworkPuts its own capital into companiesActive · deal in last 18 monthsLAST VERIFIED Oct 2026 · 18 SOURCES

Yeast

Also known as Yeast Angels, YEAST

Lorraine business-angel association in Vandœuvre-lès-Nancy; about 40 entrepreneur-investors back Grand Est, Luxembourg and northern Burgundy startups with pooled tickets of €100k–€500k.

HEADQUARTERS
Vandœuvre-lès-Nancy, France
FOUNDED
—
AUM
—
OUTSIDE CAPITAL
—
TEAM LISTED
5 people

Focus

STAGES
Pre-SeedSeedSeries A
SECTORS
HealthTechBiotech & Life SciencesFood & AgricultureIndustrial & ManufacturingSoftware & SaaSDeep TechConsumer & E-commerce
ASSET MIX
Venture capital
GEOGRAPHY
FranceLuxembourg

Overview

Yeast is a business-angel association started in Lorraine by regional entrepreneurs, based in Vandœuvre-lès-Nancy and a member of Est Angels and France Angels. Its roughly forty members meet monthly from September to June to hear 2–5 pitches; each member decides on their own investments, with deals made as a structured pool of angels (pact and sub-pact). It invests at pre-seed to pre-Series A, sector-agnostic, with tickets of €100k–€500k, often as lead or co-lead. In 2025 it reported 7 investments and €1.5M invested.

Investment thesis

Sector-agnostic pre-seed, seed and pre-Series A startups in the Grand Est, Luxembourg and northern Bourgogne-Franche-Comté; tickets €100k–€500k, often lead or co-lead, through a structured pool of entrepreneur business angels; active governance and monthly follow-up.

PORTFOLIO (10)

  • ALBUPAD
    Biotech & Life Sciences · since 2026
  • All In Box
    Software & SaaS · since 2025
  • Entoinnov
    Food & Agriculture · since 2024
  • C&DAC
    Food & Agriculture · since 2024
  • Handi Exceller
    Education · since 2024
  • Soteria Lab
    HealthTech · since 2024
  • APREX Solutions
    HealthTech · since 2024
  • ADEMUS
    since 2024
  • Qfluidics
    Deep Tech · since 2023
  • Tallyos
    Software & SaaS · since 2023

People

  • Christophe Pacaud
    President · source
  • Jean-Daniel Hamet
    Vice-President · source
  • Olivier Hamm
    Treasurer · source
  • Boris Ouarnier
    Délégué général (Blue Omingmak) · source
  • Amélie Chaigneau
    Deal Flow Manager (Blue Omingmak) · source

Links

Frequently asked questions

Yeast is a angel network based in Vandœuvre-lès-Nancy, France.

Yes. Yeast invests its own capital in private companies.

Yeast invests at Pre-Seed, Seed and Series A stages in HealthTech, Biotech & Life Sciences, Food & Agriculture, Industrial & Manufacturing, Software & SaaS, Deep Tech and Consumer & E-commerce.

Yeast's stated ticket size is €100K–€500K.

Key people at Yeast include Christophe Pacaud (President), Jean-Daniel Hamet (Vice-President), Olivier Hamm (Treasurer) and Boris Ouarnier (Délégué général (Blue Omingmak)).

Yeast's investments include ALBUPAD, All In Box, Entoinnov, C&DAC, Handi Exceller, Soteria Lab, APREX Solutions and ADEMUS, among others.

The most recent publicly reported investment by Yeast is ALBUPAD (€1.3M round with Alsace Business Angels and Bpifrance (co-instruction within Est Angels)), announced in Mar 2026.

Yeast states that it accepts submissions through its official contact page.