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Talent partner at a16z // Los Angeles, CA

Jordan Mazer.

talent leader — scales teams from startup to global
// obsessed with the 10-minute portfolio

Jordan has spent the last decade building recruiting engines across the full arc of company stage — from pre-PMF seed startups to Fortune 500 operators. He joined a16z after leading talent at multiple portfolio companies, where he learned that the best hires come from narrow, obsessive systems — not broad nets.

At a16z he works with founders on the hard end of hiring: the first engineer, the first GTM leader, the re-org after Series B. He believes the best talent pages are the ones founders actually ship — not the ones marketers polish for six weeks.

He's obsessed with the idea that a portfolio should take ten minutes, not ten hours. Which is why he's building readme.speedrun in his spare time.

Outside work: running, analog film, and the occasional attempt at a decent espresso shot.

Experience

a16z

2022 – Present
Talent partner

Embedded talent advisor across a portfolio of early-stage builders. Specialize in the first 20 hires and the executive bench.

  • Placed 40+ senior engineers + execs across 15 portfolio companies
  • Built the internal playbook for founder-led recruiting at pre-seed
  • Ran the 2024 talent network launch — 12k founders, 35k jobs indexed

Notion

2019 – 2022
Head of technical recruiting

Scaled eng + design hiring from ~80 to 600+. Owned the recruiting ops stack end-to-end.

  • Grew the eng org 7x in three years without a hiring freeze
  • Designed the cross-functional loop that became the company standard
  • Shipped the referral program that drove 38% of senior hires

Stripe

2016 – 2019
Sr. technical recruiter

Full-stack engineering hiring across infra, payments, and issuing. First recruiter on the global expansion org.

  • Hired 120+ engineers across SF, Dublin, Singapore
  • Built the Stripe eng candidate-experience metrics dashboard

Projects

readme.speedrun

readme.speedrun.dev

Terminal-chat portfolio builder. Talk to an AI for 10 minutes, get a portfolio + a job-match feed.

Cloudflare Workers · D1 · Claude · R2

founder-fit

Internal tool for matching a16z portfolio roles to the talent network using embeddings + human-in-the-loop ranking.

Python · pgvector · OpenAI

Skills

executive searchrecruiting opstalent strategyorg designcompensationinterview designfounder coachingpipeline analytics

Writing

  • The 10-minute portfolio2026-02
  • Recruiting ops for founders who hate process2025-10