Arne H. Halleraker
Partner
FJ Labs
FJ Labs partner focused on marketplaces, B2B commerce, food, green tech, and gaming.
Bio
Professional summary
Matias Barbero is listed as a Partner at FJ Labs. The official FJ Labs source confirms his current role but does not provide a detailed biography. Public profiles and a public announcement by Fabrice Grinda indicate a background that includes technology M&A investment banking at J.P. Morgan and strategy/operations experience at Pryon, but these details should be treated as supplemental rather than official-firm-verified from the provided team page.
Investment focus
Stage, sector, and overall fit
Stage
pre-seedseedearly stageSeries Alater stage co-investment
Sector
marketplacesnetwork effectsSaaSAIfintechconsumer health
Thesis
Marketplaces and network effects businessesSaaS, AI, and fintechConsumer health and wellness-adjacent sectors
Notable companies
Selected portfolio companies the partner has backed
PryonJ.P. Morgan
How to approach
Framing and angles for outreach
Pitch framing
Lead with FJ Labs' marketplace thesis, and include finance/market structure logic if the company has fintech, SaaS, or AI relevance.
Personalization hooks
- 1Reference marketplace or network-effect dynamics first rather than a broad sector pitch.
- 2Mention capital efficiency and unit economics if the company has a marketplace or fintech model.
Recent signals
What the partner has said or done recently
FJ Labs official team page lists Matias Barbero as Partner.
Public announcement describes his promotion to Partner in 2025.
Background
Career, education, and skills
Career history
- FJ LabsPartner2024 - Present
- FJ LabsInvestor2022 - 2024
Education
- Duke University - The Fuqua School of BusinessMBA, Business Administration
Skills
Venture CapitalB2B MarketplacesInvestment Due Diligence
Other partners at FJ Labs
9 more profiles
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Arne Halleraker
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Arne Halleraker is listed as a Partner at FJ Labs.
CB
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FJ Labs investor associated with marketplace and SaaS-enabled marketplace research.
MK
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