E. Thom (Todd) Rumberger Jr.


Todd Rumberger is a leading corporate lawyer who has built a distinguished practice representing venture capital and corporate investors and early-to late-stage companies in a variety of industries, including mobility/auto-tech, digital media, financial services, digital health, e-commerce, food/food tech, cybersecurity, software and mobile telecommunications sectors and capital market transactions. 

Mr. Rumberger has substantial experience advising founders, investors and companies on formation, capitalization, employment issues, corporate governance, early- and late-stage venture capital and debt financings, strategic commercial agreements and mergers and acquisitions. In addition, he has been instrumental in helping foreign startup and growth-stage companies establish a presence in the United States. Learn more about Mr. Rumberger's practice and how he can support your startup on

Mr. Rumberger is a member of the California Bar, the Florida Bar (inactive) and the Pennsylvania Bar (inactive). He is also a member of the American Bar Association. 

Before joining WilmerHale, Mr. Rumberger was managing partner of another law firm’s Palo Alto office, where he also served as that firm’s co-chair of its technology industry team and vice chair of its transactions practice. 

Mr. Rumberger is active in his community, and serves as an advisor to the nonprofit Quest Scholars, an organization that serves low income youth who aspire to higher education. He is also involved with Women Who Code, a not-for-profit organization dedicated to educating and inspiring women to pursue and excel in technology careers. In addition, Mr. Rumberger works with the MAD Foundation, a nonprofit dedicated to improving food culture, and several other 501(c)(3) organizations which he helped to form.

Mr. Rumberger has authored several publications, including The Acquisition and Sale of the Emerging Growth Company: The M&A Exit, published by Thomson Reuters/West Publishing (2020); How to Leave a Company and Not Get Sued (2006) and Top 5 Exit-Deal Killers for Early-Stage Companies (2013), published by VentureBeat; and co-authored US Investors Continue to Play a Role in Growth of European Startups, which appeared in Bloomberg BNA (2017). He has also been interviewed by California Lawyer to comment on recent trends occurring in mergers and acquisitions both in the United States and abroad. Additionally, Mr. Rumberger frequently lectures on topics such as mergers and acquisitions, startup formation and financing.


  • Recent Select Venture Financings

    • Represented Cue Health, a health technology company, in its $235 million private financing round
    • Represented Full Speed Automation, a manufacturing and automation software startup, in its seed preferred financing
    • Represented Urban Cowboy, a plant-based food manufacturer, in its  seed preferred financing
    • Represented SOMA Global, a public safety software startup, in its $22.5 million Series A preferred stock financing
    • Represented Rhythmic Health, a digital health platform, in its $5 million seed preferred financing round
    • Represented a medical diagnostics company in its Series A financing
    • Represented a waste recycling startup in its seed preferred financing
    • Represented a venture investor in various cross-border Series A financings
    • Represented a real estate startup in its $32 million Series A financing
    • Represented an e-commerce startup in its seed preferred financing
    • Represented a fintech startup in its Series A financing
    • Represented a fintech startup up in its seed preferred financing round, Series A financing, and venture debt financings
    • Represented a computer vision startup in its $25 million Series C financing, Series B financing, as well as venture debt financings
    • Represented a venture-backed company in its $25 million Series C financing
    • Represented an electric car charging startup in its Series A and Series B financings
    • Represented a Silicon Valley-based incubator in numerous preferred financings and convertible debt financings
    • Represented a Japan-based pharmaceutical company in its $4.29 billion strategic partnership with and Series E investment in a specialty pharmaceutical company
    • Represented a growth-stage venture investor in a numerous of preferred financing
    • Represented a corporate investor in the entertainment industry in several preferred and convertible securities financings of startups
    • Represented a variety of seed stage venture capital firms in convertible note, SAFE, series seed preferred and follow on financings
    • Represented numerous corporate strategic investors in a variety of preferred financings and other investments
  • Recent Select Mergers and Acquisitions

    • Represented Beam Solutions, an AML solutions venture-backed startup, in its acquisition by Jumio
    • Represented an AI networking company in its sale to a multinational enterprise information technology company
    • Represented a Boston-based venture backed ridesharing company in its sale to a Dutch automobile company
    • Represented an American multinational entertainment and record label company in its acquisition of a digital media company
    • Represented an enterprise software company in its acquisition of an iPaaS startup
    • Represented a software company in its acquisition of a cloud ERP software company
    • Represented a private equity fund in its $330 million acquisition of a previously venture backed bond rating agency
    • Represented a middle-market private equity firm and its portfolio company in several merger and stock acquisitions


  • Recognized as a California leader in venture capital in the 2021, 2022 and 2023 editions of Chambers USA Guide

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  • Education

    • LLM, London School of Economics, 1993

    • JD, University of Florida Levin College of Law, 1989

    • BA, History, Wake Forest University, 1986

      cum laude
  • Admissions

    • California

  • Clerkships

    • The Hon. Patricia C. Fawsett, US District Court for the Middle District of Florida

    • The Hon. Kendall G. Sharp, US District Court for the Middle District of Florida



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