Pioneer Square Ventures — Full Portfolio
5 tracked investments · listed companies and verified rows first
Flexe provides platform-based warehousing network management, handling implementation, onboarding, and operations across multiple locations for customers seeking to scale their logistics infrastructure.
B2B MarketplacesLogistics & Supply ChainSaaSSeattle, US
Karl Siebrecht(Co-founder & CEO)Edmond Yue(Director)Francis Duong(Director)Curt Anderson(CFO & COO)
Board seatMike Karl GalgonMike Galgon· per SEC Form D · $80M raise · filed Jan 2021
Co-investors137 VenturesAcequia Capital (AceCap)ACTIVATE CAPITAL PARTNERSMadrona Venture GroupRedpoint VenturesSecond Avenue Partners+1 more
Kamiwaza offers a distributed AI orchestration platform that processes data where it resides, allowing enterprises to deploy AI without centralizing data or compromising security.
AI & Machine LearningData & InfrastructureEnterprise SoftwareGovTechSilverthorne, US
Matthew Wallace(Executive Officer, Director)Luke Matthew Norris(Executive Officer, Director)
Board seatVivek Ladsariya· per SEC Form D · $8.5M raise · filed Jan 2025
Co-investorsAscend Venture CapitalCitta CapitalFirstMile VenturesGreater Colorado Venture FundAscendS3 Ventures
LumaTax is a platform that automates US and Canadian sales tax compliance, helping businesses manage nexus registration, tax filings, and remittance across multiple jurisdictions.
E-commerceFintechSaaSSeattle, US
Robert Schulte(Executive Officer, Director)
BoardChuck Stonecipher(Director)
Board seatGregory Gottesman· per SEC Form D · $6.1M raise · filed May 2021
Co-investorsMadrona Venture GroupTrilogy Equity Partners
Certivo is a supply chain compliance platform that automatically collects supplier documentation, monitors certificate changes and expirations, and reports an organization's compliance posture.
AI & Machine LearningEnterprise SoftwareSaaS
Co-investorsSuffolk Technologies
Dropzone AI builds AI agents that investigate security alerts, hunt threats, and respond to cyberattacks for security teams and organizations.
AI & Machine LearningCybersecurityEnterprise Software
Edward Wu(Founder and CEO)in
Co-investorsDecibel PartnersMadrona Venture GroupTheory VenturesIn-Q-Tel
Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.