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Jamien McCullum

Founder

Founder / CEO at Preemptive

Seattle, Washington, United States

FoundedPreemptive

Find your path to Jamien

57 people in our graph share verified history with Jamien — schools, employers, funds. One of them is your warm intro.

Austin GuyetteunlockedJamien: together at Preemptive (2024–2026)
×2Jamien: together at Preemptive
Jamien: together at Brook.ai
×3Jamien: together at Optimize Health

Founder / CEO at Preemptive

Intro paths

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In turn, Jamien can intro founders to Preemptive's investors below.

Preemptive's investors · 5

Blumberg CapitalMiami · $500K – $5M checks · since 2026Evolution VC PartnersNew YorkHike VenturesSan Francisco · $1M – $5M checksOregon Venture FundPortland · $500K – $5M checks · since 2026Runtime VenturesArlington · $250K – $2M checks · since 2026

Co-founders at Preemptive

MWMatt Whitehill
Matt WhitehillFounder / Chief Technology Officer

Experience

  1. PreemptiveAICo-Founder & CEOcurrent2024 — presentSeattle, Washington, United States
  2. AI2 IncubatorFounder-in-Residencecurrent2024 — presentSeattle, Washington, United States
  3. Allen Institute for AI (AI2)Entrepreneur In Residence2021 — 2024Seattle, Washington, United States
  4. optimize.healthVice President Of Business Development2019 — 2021Greater Seattle Area
  5. Brook.aiConsultant2018 — 2020Greater Seattle Area

Skills & more

Business Development46Strategic Partnerships32

From Jamien's professional profile.

Frequently asked questions

Who is Jamien McCullum?
Founder / CEO at Preemptive
Where does Jamien McCullum work?
Jamien McCullum is Founder / CEO of Preemptive.
What companies did Jamien McCullum found?
Jamien McCullum founded Preemptive.
Where did Jamien McCullum go to school?
Jamien McCullum studied at Stanford University (Master's degree, Organizations, Business and the Economy); Stanford University (Bachelor's degree, International Economics).

Founder mafias

Same school

Shared employers