2x founder

Lennert Jansen

Co-Founder of Airweave (YC X25) | Context retrieval for AI agents

Co-founder

2025Co-founder· Airweave

Founder · since 2022

Company

Airweave

Role

Co-Founder

current

Stage

—

no public source

Raised

—

no public source

Based

San Francisco, California, United States

current

Founder / co-founder — the company's markEmployee / research role

Profile coverage5 of 7 · missing posts, contact

Airweave

The open-source context retrieval layer for agents

Experience

Career

Airweave
Co-founder
Co-Founder · San Francisco, California, United States · 2025 – Present
2025
Kurashi Collective
Co-founder
Co-Founder · Amsterdam, North Holland, Netherlands · 2022 – 2025
2022
Attendi
ML Engineer · Amsterdam, North Holland, Netherlands · 2023 – 2024
2023
Amazon
Applied Science Intern · Berlin, Germany · 2022
2022
Institute for Logic, Language and Computation (ILLC) - University of Amsterdam (UvA)
Research Assistant · Amsterdam, North Holland, Netherlands · 2021
2021
Randstad Groep Nederland
Data Science Intern · Amsterdam Area · 2021
2021
Adyen
Data Science Intern · The Randstad, Netherlands · 2020
2020
IBM
AI Research Intern · The Randstad, Netherlands · 2019
2019
WeTeach
Teacher of Statistics and Mathematics · The Randstad, Netherlands · 2015 – 2017
2015

Building the context retrieval layer for agents