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Joël Jean-Mairet
InvestorManaging Partner at Ysios Capital
Barcelona, Catalonia, Spain
Writes $1M – $7.5M checks · typically $1M
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About
Joël Jean-Mairet is Managing Partner at Ysios Capital, where he oversees management, strategy and day-to-day operations. In 2001 he co-founded Glycart Biotechnology and served as its CEO until its sale to F. Hoffmann-La Roche four years later; Glycart originated the anti-CD20 antibody obinutuzumab/Gazyva. He holds an MSc in Biotechnology and a PhD in Cell Biology and Immunotherapeutics, both from ETH Zürich.
Contact· self-published, not guessed
Invests in
Biotech
Investments
Board seats
AdcendoAM-PharmaAura BiosciencesInbiomotionLAVA TherapeuticsMedLumicsOna TherapeuticsSanifit TherapeuticsSplice Bio
Sources: the firm's website · curated public sources.
Colleagues at Ysios Capital
Network2
Investors connected to Joël in public investor directories — a warm-intro map.
Frequently asked questions
- Who is Joël Jean-Mairet?
- Joël Jean-Mairet is Managing Partner at Ysios Capital, where he oversees management, strategy and day-to-day operations. In 2001 he co-founded Glycart Biotechnology and served as its CEO until its sale to F. Hoffmann-La Roche four years later; Glycart originated the anti-CD20 antibody obinutuzumab/Gazyva. He holds an MSc in Biotechnology and a PhD in Cell Biology and Immunotherapeutics, both from ETH Zürich.
- Where does Joël Jean-Mairet work?
- Joël Jean-Mairet is Managing Partner at Ysios Capital.
- What does Joël Jean-Mairet invest in?
- Joël Jean-Mairet invests in Biotech.
- What check size does Joël Jean-Mairet write?
- Joël Jean-Mairet typically writes checks of $1M – $7.5M.
- What boards does Joël Jean-Mairet sit on?
- Joël Jean-Mairet holds tracked board seats at Adcendo, AM-Pharma, Aura Biosciences, Inbiomotion, LAVA Therapeutics, MedLumics, Ona Therapeutics, Sanifit Therapeutics, Splice Bio.
- What companies has Joël Jean-Mairet invested in?
- Investments tracked here include Adcendo, AM Pharma, Aura Biosciences, Cellerix, Inbiomotion, LAVA Therapeutics, MedLumics, Mineralys Therapeutics, Ona Therapeutics, Splice Bio.
About this profile. Compiled from public sources — Ysios Capital's own website and public professional profiles — and summarised by Fundraising Fox; every fact is kept with where it came from. Spotted an error, or would rather not be listed? Email privacy@fundraisingfox.com · How we build profiles · Your rights