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Johnny Zeng

Johnny Zeng

We’re here to put a dent in the universe. Otherwise why else even be here?

DoubleFifth logoDoubleFifth· Speedrun 004🇺🇸 New York, New York, United States
in LinkedIn
2026Startup· SAJA
In tech · since 2017
Company
SAJA
Role
Startup
current
Stage
—
no public source
Raised
—
no public source
Based
New York, United States
current
Founder / co-founder — the company's markEmployee / research role
Source: LinkedIn work history
Profile coverage5 of 7 · missing posts, contact
DoubleFifth logo
DoubleFifth

Unified API for Behavioral Data

Speedrun 004

Experience

Career

  • SAJA logo

    SAJA

    Startup · New York, United States · 2026 – Present

    2026

  • Stealth

    Startup · 2017 – 2024

    2017
  • Various Companies logo

    Various Companies

    Software Engineer · New York, United States · 2019 – 2024

    2019

Bio

Happy to talk data.