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William Young

Associate

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At a glance

Full Name
William Young
Title
Associate
Firm
East Seattle Partners
Firm Type
Multi-asset private-family-capital investment firm / growth equity and real estate investor
Investment Stage
Seed / early stage; growth equity; mature middle market
Target Company Profile
Growth companies with solid fundamentals, community-minded values, identifiable expansion opportunities, and situations where the investor can take an active role.
Sector Focus
Events technology, cybersecurity, content, hardware, network security; East Seattle Partners states it invests without a specific industry focus, while emphasizing non-healthcare growth companies and real estate.
Geographic Focus
United States, with a focus on the Pacific Northwest
Location
Mercer Island, Washington, United States

Background

Publicly available information on William Young is limited. Investor-directory sources identify him as an Associate based in Mercer Island, Washington, with market exposure including events services, cybersecurity, women-founded companies, computers, network security, content, and security. AngelMatch lists past investments associated with him as eventcore and CI Security.

East Seattle Partners is a Mercer Island-based multi-asset investment firm funded by private family capital. The firm says it was founded in 2014 and makes direct investments in early-stage and mature middle-market companies, plus commercial and multifamily real estate in the Pacific Northwest. Its founder, Alan Frazier, previously worked as an executive at Immunex and later founded Frazier Healthcare Partners; East Seattle Partners is stated to be separate from Frazier Healthcare Partners.

The supplied phone number, +1 (734) 455-3600, appears in public sources as a Plastipak Packaging / Plymouth, Michigan phone number, not as a verified contact number for William Young at East Seattle Partners. I could not verify a public LinkedIn profile or a directly loadable headshot for this William Young.

Investment Thesis & Focus

  • East Seattle Partners says it takes an “active value-add approach” and seeks to partner with entrepreneurs, management teams, and business partners to create long-term value.
  • The firm says it is funded by private capital, which lets it invest without outside-fund constraints or a narrow industry mandate.
  • Growth-equity criteria include situations where the firm can take an active role, where its experience and network can create an edge, and where the company has identifiable growth or expansion opportunities.
  • East Seattle Partners prefers growth and mature-stage companies that help build better communities.
  • The firm looks for control stakes or significant minority investments with a board seat.
  • East Seattle Partners states a preference for long holding periods and says it “strongly prefer[s] to invest in entities for decades.”
  • Directory data for William Young points to markets including events services and cybersecurity, consistent with East Seattle Partners’ known investments in eventcore and CI Security / Critical Insight.

Notable Investments

  • eventcore - Seattle-based enterprise event-registration and event-technology company; raised $4.1 million in growth capital led by East Seattle Partners in February 2018. The company was later combined into Stova after MeetingPlay + Aventri acquired eventcore in June 2022.
  • CI Security / Critical Insight - Cybersecurity company focused on managed detection and response, vulnerability detection, incident response, and consulting for healthcare, education, local government, and other sectors; East Seattle Partners led a $9.6 million Series B in April 2019. Critical Insight was acquired by Lumifi Cyber on November 5, 2024.
  • Experic - Contract development and manufacturing organization and clinical-trial supply services company for biopharma; existing investor East Seattle Partners participated in an October 29, 2024 growth-capital investment led by 1315 Capital.
  • Proprio - Seattle surgical-navigation company; Alan Frazier, founder of East Seattle Partners and Frazier Healthcare Partners, participated as an existing investor in Proprio’s $23 million Series A financing announced in June 2020.
  • Auto Spa, Mod, Navigator - Listed by MassInvestor as East Seattle Partners portfolio companies; public deal details were not found in the sources reviewed.

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