Practice Areas
Education
University of Houston Law Center, J.D., 2019; summa cum laude, Chief Notes & Comments Editor, Houston Law Review
Harvard Graduate School of Education, M.Ed. 2013
Wellesley College, magna cum laude, B.A. 2011
Honors
Listed, Best Lawyers: Ones to Watch® in America – Business Organizations (including LLCs and Partnerships) (2026-2027)
Listed, Best Lawyers: Ones to Watch® in America – Closely Held Companies and Family Businesses Law (2026-2027)
Listed, Best Lawyers: Ones to Watch® in America – Corporate Law (2026-2027)
Listed, Best Lawyers: Ones to Watch® in America – Tax Law (2025-2027)
Tax Team Member, Corporate/Strategic Deal of the Year and Cross-Border Deal of the Year, 17th Annual International M&A Advisor Awards (June 2026)
Tax Team Member, Business Services Deal of the Year and Houston Impact Deal of the Year, 9th Annual ACG Houston Deal of the Year Awards (April 2026)
Tax Team Member, Corporate/Strategic Deal of the Year, 24th Annual M&A Advisor Awards (November 2025)
Tax Team Member, Manufacturing Deal of the Year, 7th Annual ACG Deal of the Year Awards (April 2024)
Bar Admissions
Texas
Profile
Marianne Standley is a Senior Associate in the firm's Tax Planning & Business Transactions practice, where she advises middle-market businesses, family offices, and high- and ultra-high-net-worth individuals on corporate tax planning, the tax aspects of domestic and cross-border mergers and acquisitions, and corporate governance.
Marianne's practice centers on complex partnership and corporate tax analysis, intricate pre-closing restructurings, and tax-free corporate reorganizations. She provides tax support on the firm's transactional deals, including matters recognized at the ACG Houston, Americas M&A Atlas, and M&A Advisor Awards, such as the cross-border sale of Page Southerland Page to Stantec and the transition of BWFS Industries into an employee stock ownership plan (ESOP).
Beyond transactions, Marianne advises clients on a wide range of partnership and corporate tax questions, delivering detailed analysis on complex regulatory and structural matters. She also handles foundational business needs, including entity formation across multiple jurisdictions and drafting term sheets and documentation for incentive unit plans, transaction bonus arrangements, and profits interests.
In her free time, Marianne enjoys spending time with her family and her miniature schnauzer, Milla, who is middle-aged but will forever be her puppy.
Representative Matters
M&A - Previously Assisted on:
- Centennial Resource Development - US$7.0 billion merger of equals between Centennial Resource Development and Colgate Energy Partners III
- Landmark Dividend - US$851 million acquisition of Landmark Infrastructure Partners
- Diamondback Energy - US$745 million sale of Williston Basin assets to Oasis Petroleum
- UGI Corporation - US$540 million acquisition of Mountaineer Gas Company
- CNX Resources - US$357 million take-private transaction
- Flame Acquisition – de-SPAC business combination with Sable Offshore Corp.
Private Equity - Previously Assisted on:
- Representation of private equity firm EnCap Flatrock Midstream in partnership with Manchester Energy, to develop a large scale, diversified midstream business
- Representation of Inspiration Mobility, the first one-stop electric vehicle solutions company, in securing US$200 million capital commitment from ArcLight Energy Partners Fund VII and entering into EV fleet lease partnership with ridehail innovator Revel
- Representation of private equity firm Platform Partners in investment in July Business Services, a financial technology retirement plan and payroll services company.
Capital Markets - Previously Assisted on:
- Enterprise Products Partners – Tack-on notes offering of US$1 billion and US$250 million notes
- Energy Transfer - US$900 million offering of preferred units
- Sunoco - US$800 million high-yield notes offering and concurrent tender offer
- TransAlta Corporation – Representing underwriters in US$400 million notes offering
- Pro Frac IPO – Representing underwriters
- Project Plum SPAC IPO – Representing underwriters
- Flame Acquisition SPAC IPO
- Hawks Acquisition SPAC IPO
Banking and Restructuring - Previously Assisted on:
- Representation of Hi-Crush, a mining, processing, and distribution provider of silica sand proppant, a key component in the hydraulic fracturing of oil and gas wells, in its chapter 11 case involving a restructuring of nearly US$1.0 billion in debt and other unsecured claims. Hi-Crush successfully completed its restructuring in October 2020
- Representation of Scotiabank, as reserve-based lending agent and debtor-in-possession agent, in connection with the chapter 11 bankruptcy proceedings for Gulfport Energy, a natural gas producer
- Revolving credit facility of US$400 million and subsequent amendments up to US$1.25 billion for Summit Midstream, an operator of midstream energy infrastructure assets, primarily shale formations, in North America
- US$950 million term loan and revolving facility for Genesis Energy, a company that owns and operates crude oil gathering, marketing and pipeline operations, to refinance existing debt
- US$200 million revolving facility for Green Range
Seminars & Presentations
- 2023 TXCPA CPE by the Sea Conference ,“The Inflation Reduction Act in Today’s Business Environment”, June 16, 2023
Professional Affiliations
- Texas Bar Association
- Houston Bar Association
- American Bar Association
News
News
- Houston-based team led by Habeeb "Hobbs" Gnaim represents the pioneer in thermal resistivity testing as data center growth and demand for underground power infrastructure accelerateSeptember 22, 2026
- August 20, 2026
- June 16, 2026
- April 28, 2026
- March 31, 2026
- December 1, 2025
- Houston-based team led by Habeeb "Hobbs" Gnaim and Dave Pierson represents ZT Corporate in Strategic Acquisition of Four Express ER Facilities in TexasNovember 13, 2025
- October 2, 2025
- September 3, 2025
- August 21, 2025
- Houston-based team led by Habeeb "Hobbs" Gnaim represents Page in its sale to Stantec creating the second-largest architecture firm in the United StatesAugust 12, 2025
- July 15, 2025
- July 8, 2025
- June 3, 2025
- Houston-based team led by Habeeb “Hobbs” Gnaim plays key role in major deal positioning Stantec as the second-largest architecture firm in the U.S.May 14, 2025
- April 1, 2025
- The Houston-based team represented ZT Corporate in its acquisition of STAT Specialty Hospital, including three micro hospitals and one free standing emergency center located in Laredo, Del Rio, and Eagle Pass.November 12, 2024
- Houston-based Team Supports Client's Rapid GrowthSeptember 19, 2024
- Houston-based Team Represented NOVUM Consulting Group in New PartnershipSeptember 4, 2024
- Houston-based Team Brings Multidisciplinary Approach to TransactionAugust 21, 2024
- Best Lawyers in America® recognizes 87 Chamberlain Hrdlicka attorneys in a peer selection process for the 2025 edition of Best Lawyers in AmericaAugust 15, 2024
- Habeeb 'Hobbs' Gnaim Led Two Transactions Winning ACG 7th Annual Deal of the Year AwardsApril 30, 2024
- ACG Seventh Annual Deal of the Year Awards names six deals led by Habeeb ‘Hobbs’ Gnaim as finalistsMarch 26, 2024
- The partnership will enable DermaTouch to rapidly scale in the aesthetics industryJanuary 30, 2024
- The investment will facilitate the growth recapitalization of Pinnacle PlasticsJanuary 16, 2024
Presentations
Seminars & Presentations
2023 TXCPA CPE by the Sea Conference ,“The Inflation Reduction Act in Today’s Business Environment”, June 16, 2023
