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John Gilluly

John J. Gilluly III


US Vice Chair, Transactional practice
Member, Global Board
Member, Executive Committee

[E]xtremely effective in protecting clients' interests
Source quoted in Chambers USA

John Gilluly represents clients across a range of industries and focuses on capital markets transactions, SEC reporting and compliance, mergers and acquisitions, private equity and venture capital transactions, and corporate governance matters.

Bar admissionsTexas


  • Outside corporate and securities counsel to multiple public companies
  • Counsel to numerous issuers, venture capital firms and private equity firms in preferred stock and levered transactions
  • Representation of a conflict committee of a public renewables yieldco in multiple drop-down transactions and related matters
  • Representation of a public network software company in prominent global cyber incident response
  • Representation of a public AI company in multiple acquisitions and restructuring
  • Representation of a public software company in the US$3 billion spinout of a separate stand-alone public company
  • Representation of a private equity firm in the US$2.4 billion sale of upstream oil and gas assets
  • Representation of a private equity platform company in its US$500 million international add-on acquisition
  • Representation of a public software company in its US$4.5 billion take-private transaction
  • Representation of a SaaS HCM company in its initial public offering and follow-on offerings
  • Representation of a SaaS FinTech company in its initial public offering and follow-on offerings
  • Representation of underwriters in follow-on offering of a leading payments company
  • Representation of a private equity firm in its leveraged acquisition of multiple employee benefit firms
  • Representation of a venture-backed software company in its acquisition by private equity firm
  • J.D., University of Texas 1998
    Texas Journal of Business Law

  • B.A., Economics and Business Administration, Rhodes College 1992
    cum laude


Chambers USA

  • Band 1, Texas: Austin & Surrounds Corporate/M&A (2020-2024) 
  • Band 1, Texas Technology: Corporate & Commercial (2019-2024) 
  • Band 2, Texas Technology: Corporate & Commercial (2015-2018) 
  • Band 3, Nationwide Technology (2021-2024)
  • Band 3, Texas Technology: Corporate & Commercial (2014)
  • Up and Coming, Texas Technology: Corporate & Commercial (2013) 

The Legal 500 United States

  • Recommended, M&A Middle-Market ($500M-$999M) (2017-2019)
  • Recommended, Capital Markets Equity Offerings – Advice to Managers (2016-2020) 
  • Recommended, Technology: Transactions (2015, 2022)
Additional Awards
  • Named a Texas Super Lawyer in a research project conducted jointly by Law & Politics and Texas Monthly magazines
  • Regularly listed in The Best Lawyers in America and was recognized as "Lawyer of the Year" for Securities/Capital Markets in the Austin metro area (2021-2022)

Media Mentions

Memberships And Affiliations

  • American Bar Association
  • State Bar of Texas

Civic and Charitable
  • Operation Miracle, Dell Children's Hospital