John J. Gilluly III is Global Vice Chair and Global Head of Transactional Practices at DLA Piper, one of the world’s largest law firms. He provides global strategic leadership across the firm’s Corporate, Private Equity, Investment Funds, Real Estate, Finance, and Tax practices and leads the firm’s strategic direction and growing platform across the Middle East and the Gulf.
Over nearly 30 years of practice, Mr. Gilluly has advised public companies, private equity sponsors, venture capital firms, and underwriters on billions of dollars of capital markets transactions, mergers and acquisitions, SEC reporting and compliance, and corporate governance. His recent work includes the $4.5 billion take-private of a public software company, the $3 billion spinout of a stand-alone public company, and the $2.4 billion sale of upstream oil and gas assets on behalf of a private equity firm. He has also counseled a public network software company through a prominent global cyber incident response and advised a public AI company on multiple acquisitions and a restructuring.
Mr. Gilluly is Band 1 ranked by Chambers USA, was recently recognized as “Lawyer of the Year” by The Best Lawyers in America (2025–2026), and is recognized as a Highly Regarded Practitioner by IFLR1000.
Mr. Gilluly serves on the Board of Trustees of the Dell Children’s Hospital Foundation and on the National Advisory Board of Jesuit High School in New Orleans, his alma mater. He is a member of the American Bar Association and the State Bar of Texas. He earned his J.D. from the University of Texas, where he served on the Texas Journal of Business Law, and his B.A. in Economics and Business Administration, cum laude, from Rhodes College.
