Justin Duan

AI physics models @ Causal Labs

San Francisco, California, United States

About

Experience

  • Causal Labs (2 yrs 6 mos)
    • Chief of staff
      2025 - Present · 1 yr 6 mos

    • Investor
      2024 - Present · 2 yrs 6 mos

  • Investor at Cohere
    2021 - Present · 5 yrs 6 mos

    Acquired by Ramp

  • Investor at HeadsUp (acquired by Hightouch)
    2021 - Present · 5 yrs 6 mos

    Acquired by Hightouch

  • Startup Advisor at Magid & Company
    2023 - 2025 · 2 yrs

    Helped CEOs tell their stories and raise $300M across 16 Series As, Bs, and Cs -- team was me & Aaron Harris, former Y Combinator partner who created the YC Series A program, with great taste.

  • Product Lead at Blend
    2020 - 2022 · 2 yrs

    Joined Blend pre-IPO -- I built core platform features like payments and launched a real estate business. Blend processes 23% of consumer mortgage loans in the U.S. for major banks like Wells Fargo and U.S. Bank. As Head of Blend Realty, I led a 15 person technical and operations team. We built software and traveled across the country to build a nationwide real estate network and deploy major Blend customers in CA, NV, CO, IN, etc.