Pillsbury Adds Prominent Startup Advisors Glenn Luinenburg and Todd Rumberger

Advisor - People | Jul 21, 2025 | Pillsbury Winthrop Shaw Pittman LLP

Pillsbury Winthrop Shaw Pittman LLP has strengthened its market-leading Emerging Companies and Venture Capital practice by adding prominent startup partners Glenn Luinenburg and Todd Rumberger. With a history of supporting technology innovators, including the incorporation of Intel, Pillsbury furthers its reputation as a leading advisor in the tech sphere. Luinenburg, known as a highly active deal lawyer in Silicon Valley, specializes in structuring and negotiating venture financings, M&A transactions, and more, across various technologies. Meanwhile, Rumberger focuses on emerging growth companies, providing strategic advice throughout a company's lifecycle, including fundraising and investment management. Both partners bring vast networks and experience, enhancing Pillsbury's offerings. Rumberger notes the firm's strong roots in the venture capital community, with offices in key startup hubs like New York and London enhancing service reach. This addition is part of Pillsbury's continued growth, having welcomed 40 lateral partners since January 2024.

Sectors

  • Legal Services
  • Venture Capital
  • Technology

Geography

  • United States – The firm's significant operations in Silicon Valley, San Francisco, and other US locations underscore its domestic influence in venture capital and tech industries.
  • United Kingdom – Pillsbury's recent expansion to London showcases its international reach within the venture capital ecosystem.

Industry

  • Legal Services – Pillsbury Winthrop Shaw Pittman LLP operates as a law firm providing advisory and legal services to tech companies and venture capital entities, particularly in M&A and venture financing.
  • Venture Capital – The focus on Emerging Companies & Venture Capital signifies heavy involvement in venture capital financing and startup advisory, which are central to the services Pillsbury provides.
  • Technology – The article highlights Pillsbury's work with technology innovators, covering a spectrum that includes AI, robotics, and fintech, indicating the firm's active participation in the technology sector.

Financials

    Participants

    NameRoleTypeDescription
    Pillsbury Winthrop Shaw Pittman LLPLaw FirmCompanyA law firm renowned for its expertise in venture capital and emerging companies, expanding its team with strategic hires.
    Glenn LuinenburgPartnerPersonAn experienced deal lawyer specializing in venture financings and M&A in Silicon Valley, joining Pillsbury as a partner.
    Todd RumbergerPartnerPersonRanked as a top startup lawyer, focusing on lifecycle representation and fundraising strategies for emerging growth companies.