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James Sinka

6x founder

James Sinka

Unicorn Founder Chemist (YCW19), accelerating science R&D and deep tech startups for over a decade | Follow me @ twitter.com/jamessinka |

FounderHypnos logoHypnos· Winter 2019Greater Boston
in LinkedIn𝕏 @jamessinka
2026Founder· Reactorfield
Founder · since 2017
Company
Reactorfield
Role
Founder
current
Stage
—
no public source
Raised
—
no public source
Based
—
Founder / co-founder — the company's markEmployee / research role
Source: LinkedIn work history
Profile coverage5 of 7 · missing posts, contact
Hypnos logo
Hypnos

AI-powered sleep coach learns and optimizes your sleep

Winter 2019

Experience

Career

  • Reactorfield logo

    Reactorfield

    Founder

    Founder · 2026 – Present

    2026
  • BIO logo

    BIO

    Science · 2024 – 2026

    2024
  • Orange DAO logo

    Orange DAO

    Co-founder

    Co-Founder · 2022 – 2024

    2022
  • On Deck logo

    On Deck

    Co-founder

    Co-Founder of Deep Tech · Boston, Massachusetts, United States · 2021 – 2022

    2021

  • Hypnos.ai

    Co-founder

    Co-Founder · San Francisco Bay Area · 2019 – 2021

    2019
  • Moonshot Brewing logo

    Moonshot Brewing

    Co-founder

    Co-Founder · 2018 – 2019

    2018

  • Ambient PV

    Co-founder

    Co-Founder · Rochester, New York Area · 2017 – 2018

    2017
  • NEXUS-NY Clean Energy Accelerator logo

    NEXUS-NY Clean Energy Accelerator

    Accelerator · Rochester, NY · 2016 – 2017

    2016

Bio

10+ years accelerating R&D and deep tech startups. Co-founded a unicorn biotech incubator. Our projects innovated across quantum biology, rare genetic disease, longevity, synbio, long-COVID, cryogenics and beyond. Co-founded Orange DAO, a $50M YC alumni fund and started our accelerator program. Also commercialized technology across solar, biotech, and ML in deep tech startups.