Andy Lyu

Co-Founder & CTO at Osmosis (YC W25)

Osmosis· Winter 2025 San Francisco Bay Area

in LinkedIn 𝕏 @viewerisland

2025Chief Technology Officer· Osmosis (YC W25)

In tech · since 2020

Company

Osmosis (YC W25)

Role

Chief Technology Officer

current

Stage

—

no public source

Raised

—

no public source

Based

San Francisco Bay Area

current

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

Source: LinkedIn work history

Profile coverage5 of 7 · missing posts, contact

Osmosis

Reinforcement Learning (RL) for AI Agents

Winter 2025

Experience

Career

Osmosis (YC W25)
Chief Technology Officer · San Francisco Bay Area · 2025 – Present
2025
TikTok
Senior Software Engineer · San Jose, California, United States · 2024
2024
TikTok
Software Engineer · San Jose, California, United States · 2023 – 2024
2023
Boston University
Teaching Assistant · 2022
2022
Boston University
Systems Researcher · Boston, Massachusetts, United States · 2021 – 2022
2021
TikTok
Software Engineer Intern · Mountain View, California, United States · 2022
2022
ByteDance
Data Architecture Intern · Shanghai, China · 2020 – 2021
2020

Bio

Defining how real time systems should be built. Previously worked on data architecture and ecosystem at TikTok recommendations as the 5th and youngest US hire