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Robert Xu

Robert Xu

Co-Founder @ Fern (YC W26) | Ex Meta, Citadel Securities

Co-founderFern logoFern· Winter 2026🇺🇸 New York, New York, United States
in LinkedIn
2025Co-founder· Fern
Founder · since 2025
Company
Fern
Role
Co-Founder
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
Fern logo
Fern

RL environments for robotics companies

Winter 2026

Experience

Career

  • Fern logo

    Fern

    Co-founder

    Co-Founder · San Francisco Bay Area · 2025 – Present

    2025
  • Meta logo

    Meta

    Senior Software Engineer · New York, NY · 2024 – 2025

    2024
  • Meta logo

    Meta

    Senior Software Engineer · New York, New York, United States · 2022 – 2024

    2022
  • Citadel Securities logo

    Citadel Securities

    Software Engineer · Chicago, Illinois, United States · 2020 – 2022

    2020

Bio

Co-founder & CTO of Ishiki Labs (W26). Previously worked on multi-modal AI and Orion AR glasses at Meta and research infra at Citadel Securities.