Photo of Brett Gibson

Brett Gibson

Managing Partner at Initialized Capital

Brett Gibson is a Managing Partner at Initialized Capital, the early-stage venture firm he joined in 2017 as Operating Partner for Engineering. A self-taught engineer, he co-founded Slinkset (YC S08), joined Posterous as a co-founder when it acquired Slinkset in 2009 (Twitter bought Posterous in 2012), co-founded Posthaven, then wrote software at Y Combinator. Since 2022 he has led Initialized's early-stage investment strategy and its investing team.

Now
Managing Partner, Initialized Capital1
Co-founder of
Slinkset, Posterous and Posthaven2
Studied
BA, Philosophy, UC Santa Barbara2
Led deals in
Bison Trails, TRM, CoinTracker, Fly.io and Rescale6

Experience

Initialized Capital2017 – now
  1. Managing Partner2022 – now

    Promoted with Jen Wolf; leads the firm's sector-agnostic, early-stage investment strategy and oversees its investing team.6

  2. General Partner2020 – 2022

    Named a general partner as Initialized closed its $230 million fifth fund.5

Y Combinator2014 – 2015
  1. Software development2Mar 2014 – Oct 2015
Posthaven2013 – now
  1. Co-founderMar 2013 – now

    His profile describes it as "Easy, simple blogs forever."2

Posterous2009 – 2010
  1. Co-founderJun 2009 – Jul 2010

    Blogging by email; later acquired by Twitter.2

Slinkset2008 – 2009
  1. Co-founderJan 2008 – Jun 2009

    Funded by Y Combinator in Summer 2008 and acquired by Posterous.2

Sonific, LLC2006 – 2008
  1. Developer2Sep 2006 – Mar 2008
Occasional Good Idea Co.2005 – 2006
  1. Co-founderDec 2005 – Aug 2006

    Built DrawHere.com, for drawing on any website; DeviantArt acquired it.2

Grand Central Communications2004 – 2005
  1. Software Engineer2Jun 2004 – Nov 2005

Education

University of California, Santa BarbaraYears not published

BA, Philosophy2

Milestones

  1. DeviantArt acquires DrawHere, the browser drawing startup he co-founded4
  2. Goes through Y Combinator's Summer 2008 batch with Slinkset, a link-sharing community site4
  3. Joins Posterous as a co-founder after it acquires Slinkset2
  4. Twitter acquires Posterous7
  5. Launches Posthaven with Garry Tan as Posterous announces it will shut down, pledging to keep blogs online forever8
  6. Starts writing software at Y Combinator2
  7. Joins Initialized Capital as Operating Partner for Engineering4
  8. Becomes a general partner as Initialized raises $230 million for its fifth fund5
  9. Promoted to managing partner alongside Jen Wolf6
  10. Announces a restructuring of Initialized, promoting three principals to partner9

Writing

you scrolled all the way down here

your next free moment starts in three minutes

getting started takes three minutes. sign in, and i'm on your to-dos, starting with who's waiting on you

you decide what comes after

Download for Mac Free forever. No credit card.