Cynthia Mabry is a partner in the Houston office of Gibson Dunn where she is a member of the firm’s Capital Markets Practice Group. She represents public and private entities, investors and underwriters in capital markets and finance transactions, including offerings of equity and debt securities.
Cynthia also provides counsel on mergers and acquisitions, corporate governance and compliance matters, and joint ventures. She is particularly experienced with clients engaged in the energy industry, including utilities, oil and gas exploration and production, midstream, oilfield services, and other related sectors. Cynthia advises clients on governance structures and rapidly evolving legal and compliance issues related to climate change, environmental, social and corporate governance (ESG), and sustainability reporting.
Awards and Accolades:
- Chambers USA, “Capital Markets: Debt & Equity” (2020 – 2024)
- Texas Super Lawyers, “Super Lawyer for Securities & Corporate Finance” (2024)
- Lawdragon, “500 Leading U.S. Energy Lawyers” (2023 – 2024)
- Expert Guides, “Rising Stars” (2022)
- The Houston Business Journal, “Women Who Mean Business” (2022)
Representative Clients and Transactions:
Securities Offerings
- TGS ASA (Oslo: TGS) on its refinancing of existing debt with its debut Rule 144A/Regulation S offering of $550 million aggregate principal amount of senior secured notes
- Ovintiv Inc.’s (NYSE: OVV) underwritten offering of $2.3 billion aggregate principal amount of investment grade senior notes
- The underwriters in NuStar Energy L.P.'s (NYSE: NS) offering of 13,000,000 common units
- The underwriters in multiple public offerings of more than $8.7 billion of senior notes by Waste Management, Inc. (NYSE: WM)
- LyondellBasell’s (NYSE: LYB) underwritten offering of $750 million aggregate principal amount of guaranteed notes
- Noble Corporation’s (NYSE: NE) offering of $800 million aggregate principal amount of senior notes to finance its acquisition of Diamond Offshore Drilling
- Silverbow’s (NYSE: SBOW) $148 million follow-on equity offering
- Star Leasing Company, LLC (d/b/a Transportation Equipment Network (TEN)) on its debut Rule 144A/Regulation S offering of $700 million aggregate principal amount of senior secured notes
- ProFrac Holding Corp (NASDAQ: ACDC) on its $885 million refinancing of existing senior secured term loan and other debt with a private offering of senior secured notes and a secured term loan
Mergers and Acquisitions
- Ovintiv Inc. (NYSE: OVV) in the financing of its $2.377 billion acquisition of all leasehold interest and related assets of Paramount Resources Ltd.
- Ovintiv Inc. (NYSE: OVV) in the financing of its $4.275 billion acquisition of all leasehold interest and related assets of Black Swan Oil & Gas, PetroLegacy Energy and Piedra Resources
- Special Committee of the Board of Directors of Atlas Corp. (NYSE: ATCO) in a $10.9 billion take-private transaction
- Conflicts Committee of the Board of Directors of Holly Energy Partners (NYSE: HEP) in its merger with HF Sinclair Corporation (NYSE: DINO) in a cash and stock transaction valued at approximately $1.4 billion
Cynthia received her J.D. from The University of Houston Law Center in 2010. In 2004, she graduated from Louisiana State University with her Bachelor of Science in Accounting. Prior to practicing law, Cynthia worked as a senior associate at PricewaterhouseCoopers (PwC) in Houston.
Cynthia serves on the board of the University of Houston Law Foundation and is Co-Chair of the University of Houston Law Center’s Women of the Law. She is also a member of the advisory council to the Louisiana State University Ogden Honors College and the advisory council to the Tahirih Justice Center, Houston.
Capabilities
- Capital Markets
- ESG: Risk, Litigation, and Reporting
- Energy and Infrastructure
- Mergers and Acquisitions
- Oil and Gas
- Securities Regulation and Corporate Governance
Credentials
Education:
- University of Houston - 2010 Juris Doctor
- Louisiana State University - 2004 Bachelor of Science
Admissions:
- Texas Bar
News & Insights
Lawdragon
Lawdragon Names 13 Partners Among its 500 Leading Energy Lawyers 2025
Webcasts
Webcast: IPO and Public Company Readiness: Regulatory Considerations for Public Companies and Their Key Stakeholders
Firm News
Gibson Dunn Advises Underwriters on Waste Management’s $5.2 Billion Senior Notes