
Mergers and Acquisitions
Capital Markets
Emerging Companies
Venture Capital
Energy and Infrastructure
Finance
Oil and Gas
Private Equity
Real Estate Investment Trust
Securities Regulation
Corporate Governance
Shareholder Activism
Jeffrey A. Chapman is a Partner at Gibson Dunn, based in Dallas, Texas. Renowned as one of the top M&A lawyers in the country, he has been consistently recognized by Chambers USA and Chambers Global for his exceptional service in the corporate legal market. With a law degree from Harvard University and a BBA in Economics from the University of Iowa, Jeffrey has a distinguished career in mergers and acquisitions, private equity, and corporate governance. His notable client work includes high-profile M&A transactions for companies such as Contango Oil & Gas and D.R. Horton. Jeffrey is also deeply committed to community service, holding leadership roles in various advisory boards and councils.
Jeffrey A. Chapman's representative experience includes advising:

- ITT Inc. acquired SPX FLOW, Inc. from SPX FLOW, Inc. in a acquisition on 2025-12-08. - Deal value was 47750000000 (source: Extracted) Sector: Industrial; Location: USA. - Acquirer-side legal counsel was not specified.
Dec 08 2025
5B
Private Equity

Partner
2016 – Unknown
Partner; Global Mergers & Acquisitions Co-Chair
2011 – 2016

Partner
1994 – 2011

- SM Energy Company merged with Civitas Resources, Inc. as part of a merger on a date not available. - Deal value was 12800000000 (source: Extracted) Sector: Energy; Location: USA. - On the seller side, legal counsel was not available; individual lawyers were not available.
Nov 04 2025
13B
M&A
JD, Harvard University
1983
BBA in Economics, University of Iowa
1979