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Pioneer Square Labs

also invests · investor profile

Seattle, US · Founded 2015 · 34 employees on LinkedIn · 2 known investors

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PSL operates a Technical Advisory Board that connects experienced technical leaders from the Pacific Northwest with founders, offering expertise, experience, and industry relationships to help them build companies.

Enterprise SoftwareSector Agnostic

Founders & leadership

Pioneer Square Labs was founded in 2015 by Michael Galgon and Greg Gottesman.

MG
Michael GalgonCo-founder
GGGreg Gottesman
Greg GottesmanManaging Director, Co-FounderGreg Gottesman is Director at Pioneer Square Labs Holdings.
JSJULIE SANDLER
JULIE SANDLERCo-founder & General Partner, PSL VenturesJulie Sandler is a managing director and co-founding general partner at PSL Ventures, which focuses on pre-seed and seed investments in Pacific Northwest technology startups. Previously, she was a partner at Madrona Venture Group where she led venture investments and worked on the founding of Rover.com, and earlier held product and marketing roles at Amazon, Accenture, and TeachStreet.com; she holds a bachelor's and master's degree in psychology from Stanford and an MBA from Harvard Business School.

Board

BF
Brad FeldBoard director
GE
Geoff EntressBoard director

Investors · 2

WestRiver Grouplisted by WestRiver GroupIssaquah

Reported raises · per SEC filings

Form D private placements

$24.6M disclosed across 2 of 4 rounds · 2015–2023

▶$15.1MraisedJan 2018 · 74 investors · Other
Rule 506(b)
Officers, directors & promoters on the filing
  • BRAD FELDExecutive Officer, Director
  • GEOFF ENTRESSExecutive Officer, Director, Promoter
  • GREG GOTTESMANExecutive Officer, Director, Promoter
  • MICHAEL GALGONExecutive Officer, Director, Promoter
  • JULIE SANDLERExecutive Officer, Director, Promoter
Offering amount
$15.1M
Amount sold
$15.1M
First sale
Jan 2018
Incorporated
Limited Liability Company, Delaware, 2017
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$9.5MraisedSep 2015 · 41 investors · Other
Rule 506(b)
Officers, directors & promoters on the filing
  • Brad FeldDirector
  • Michael GalgonDirector
  • Geoff EntressDirector
  • Greg GottesmanDirector
Offering amount
$12.5M
Amount sold
$9.5M
First sale
Sep 2015
Incorporated
Limited Liability Company, Delaware, 2015
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

Founder mafia

The Pioneer Square Labs mafia →

15 people who came through Pioneer Square Labs went on to found or lead other companies.

Robert SchulteEntrepreneur in ResidenceFounded Lumatax +1Todd SawickiEIRFounded Gumshoe AI +1Trip EdwardsSpinout LeadFounded Vinny +1Mike GalgonCo-Founder and Managing DirectorFounded GlobalpartnershipsAllison HarrEntrepreneur in ResidenceFounded Gemma LabsBen GilbertCo-FounderFounded AcquiredBrian FiocaPrincipal AI EngineerFounded RescueTimeZoe SheillSoftware Engineering/Data Science Intern (Yearlong)Founded Baseline AISean FlynnEntrepreneur In ResidenceFounded Single FileGaurav OberoiEntrepreneur In ResidenceFounded LEXIONBrent SullivanEntrepreneur In ResidenceFounded Tax AlphaNeeraj S. BhavaniEntrepreneur in ResidenceFounded Tagnos

+ 3 more →

In the news

Seattle's Pioneer Square Labs and Silicon Valley stalwart Mayfield form AI co-investing partnership – GeekWiregeekwire.com · Feb 2024Seattle startup studio Pioneer Square Labs raises $20M for third fund, bets big on generative AI – GeekWiregeekwire.com · May 2023

Frequently asked questions

What does Pioneer Square Labs do?
PSL operates a Technical Advisory Board that connects experienced technical leaders from the Pacific Northwest with founders, offering expertise, experience, and industry relationships to help them build companies.
Who founded Pioneer Square Labs?
Pioneer Square Labs was founded by Michael Galgon, Greg Gottesman in 2015.
Who are Pioneer Square Labs's investors?
Pioneer Square Labs's investors include Foundry, WestRiver Group.
How much funding has Pioneer Square Labs raised?
Pioneer Square Labs has disclosed $24.6M raised across 2 of its 4 known rounds.
Where is Pioneer Square Labs headquartered?
Pioneer Square Labs is headquartered in Seattle, US.