Pioneer Square Labs

Seattle, Washingtonpsl.com

Overview

Pioneer Square Labs is a Seattle-based startup studio and venture capital firm that partners with entrepreneurs to conceive, launch, and scale early-stage technology companies.

Year Founded

2015

Portfolio Companies

Website

psl.com

Investments

Pioneer Square Labs investments
Company	Date	Stage	Lead
SageOx	May 2026	Seed	Co-investor
Certivo	Feb 2026	Seed	Co-investor
Tin Can	Dec 2025	Seed	Co-investor
Casera	Dec 2025	Seed	Co-investor
BluePill	Nov 2025	Seed	Co-investor

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Key People

Geoff Entress

Co-Founder and Managing Director

Greg Gottesman

Managing Director, Co-Founder

Julie Sandler

Venture Partner, Co-founder & General Partner, PSL Ventures, Managing Director, PSL

T. A. McCann

Managing Director - Venture Studio and Corporate innovation and co-creation

Vivek Ladsariya

Managing Director

Ben Gilbert

Venture Partner

David Zager

Partner

Palvi Mehta

CFO And Operating Partner

Alex Ray

Principal

Shilpa Kannan

Principal

Anthony Bontrager

Investor (PSL Studio III)

Sada K.

Partner Venture Capital

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Sector & Stage Mix

Industry, funding stage, and valuation band breakdowns.

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SeedSeries ASeries BGrowth

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Investment Activity

Yearly cadence, pace, and funding raised over time.

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2021

2022

2023

2024

2025

2026

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FAQ

Firmographic Details

HeadquartersSeattle, Washington

Year Founded2015

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