Julien Lemoine

Active Investor

Angel Investor

France

Julien Lemoine, Angel Investor is an active investor based in France. This profile covers what Julien Lemoine backs, at which stage, and how founders can reach out in 2026.

Mr. Julien Lemoine is an Angel Investor. Mr. Lemoine co-founded and served as Chief Executive Officer, Board Member & Advisor at Algolia. Previosuly, Mr. Lemoine served as Chief Technology Officer at Algolia. He served as the Président at Algolia. He is also an Angel Investor. He is the author of the innovative data structures and algorithms of Algolia. Prior to co-founding Algolia, Julien defined the technology strategy of MASA Group (an international software editor of simulation software) and led the development of strategic R&D products in indexing and natural languages processing at Exalead (Dassault Systèmes subsidiary) and Thales Group. Julien has extensive experience in architecture design and implementation from his leading work in Exalead and Thales. Julien holds an Engineering degree from EPITA in France where he received honors and distinctions from the jury as a summa cum laude graduate.

Investor type
Angel
Stages
Early Stage VenturePre SeedSeed
Invests in
SaaS & EnterpriseArtificial IntelligenceMedia & ContentClimate & EnergyAR/VR & MetaverseFintech
Location
France
Typical check
$250K
Past investments
11

Notable investments

Palette (Wilmington)ClimeFiAlgoliaDocUnlockFolkKate (Automotive)AthenianNamlaEden AIAgentnoonTailwarden

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About this profile

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Round Funded. "Julien Lemoine." Round Funded investor database, updated September 9, 2026.

Stable URL, it will not change: https://www.roundfunded.com/en/investor/julien-lemoine-183056-9

Frequently Asked Questions

What does Julien Lemoine invest in?

Julien Lemoine invests in SaaS & Enterprise, Artificial Intelligence, Media & Content and Climate & Energy, typically at Early Stage Venture, Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.

What stage does Julien Lemoine invest at?

Julien Lemoine typically invests at Early Stage Venture, Pre Seed and Seed. Lead with traction that fits the stage when you reach out.

What is Julien Lemoine's typical check size?

Julien Lemoine typically writes checks around $250K. Use it as a signal for whether your raise fits their stage.

How do founders reach investors like this?

Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.

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