Julie Sandler
Venture Partner at Pioneer Square Labs
Julie Sandler is a board director at HouseWhisper and Outgo, and serves as co-founder and general partner of PSL Ventures as well as managing director and venture partner at Pioneer Square Labs. She founded PSL Ventures, a fund established in 2019 that is still running, and has expertise in venture investing, board leadership, and technologies including vertical AI, productivity, logistics, fintech, and the future of work.
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Pioneer Square Labs Venture Partner 2025–present, Co-founder & General Partner, PSL Ventures 2018–present, Managing Director, PSL 2017–present, Former Managing Director , Venture Partner (upcoming) · current
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HouseWhisper Board Director 2024–present · current
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Outgo Board of Directors, Board Observer 2021–present · current
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Read AI Investor 2021–present · current
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Presidential Leadership Scholars Presidential Leadership Scholar 2016–present · current
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Washington Roundtable Chair 2016–present · current
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Washington State Opportunity Scholarship Board of Directors 2016–present · current
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University of Washington - Michael G. Foster School of Business Adjunct Faculty / Instructor 2014–present · current
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Shipium Director 2021–2022, Board of Directors 2019–2024 · past
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Integris Board of Directors 2016–2017 · past
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Moz Board of Directors, Board Observer 2014–2017 · past
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Julep Beauty Board of Directors, Board Observer 2013–2017 · past
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Rover.com Board of Directors, Board Observer 2012–2015 · past
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Madrona Partner 2011–2017 · past -
Northwest Entrepreneur Network (merged with WTIA) Board of Directors 2011–2014 · past
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Seattle Repertory Theatre Board of Trustees 2011–2016 · past
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Amazon Senior Product Manager (Kindle) 2010–2011 · past
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TeachStreet Product Management and Business Development 2009–2010 · past
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Accenture Business Consultant 2006–2008, Analyst 2005–2006 · past
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Microsoft Product Manager 2006–2008 · past
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Stanford University Office of Undergraduate Admission Admissions Associate 2003–2005 · past
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Hoover Institution, Stanford University Campus Tour Guide 2002–2005 · past
Education
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Harvard Business School MBA with Honors
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Stanford University Phi Beta Kappa, Bachelor of Arts, Psychology, with Honors and Distinction
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Stanford University Master of Arts, Psychology
Organizations
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Pioneer Square Labs Venture Partner 2025–present, Co-founder & General Partner, PSL Ventures 2018–present, Managing Director, PSL 2017–present, Former Managing Director , Venture Partner (upcoming) · current
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HouseWhisper Board Director 2024–present · current
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Outgo Board of Directors, Board Observer 2021–present · current
Education
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Harvard Business School MBA with Honors
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Stanford University Phi Beta Kappa, Bachelor of Arts, Psychology, with Honors and Distinction
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Stanford University Master of Arts, Psychology
