
Energy: Oil & Gas (Transactional)
USA Guide 2026 : USA - Nationwide
Rankings

Ranked Individuals
Ranked Individuals
About
Provided by Gibson, Dunn & Crutcher LLP
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Chambers Review
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Work Highlights
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Gibson, Dunn & Crutcher LLP advised Vital Energy in connection with its joint agreement to purchase oil & gas assets from Point Energy Partners.
Strengths
Provided by Chambers
The team at Gibson Dunn is very well balanced with the wealth of not only industry experience, but deep, legal competency. I value their ability to give advice in an easy to understand and concise way.
Energy: Oil & Gas (Transactional) respondentUSAEach person I've dealt with at the firm is strong, creative, responsive and efficient.
Energy: Oil & Gas (Transactional) respondentUSAGibson Dunn's strengths lie in their extensive deal experience and technical expertise in both drafting and negotiation. They have extensive knowledge on complex issues.
Energy: Oil & Gas (Transactional) respondentUSA
Notable Practitioners
Provided by Chambers
Band 1 
Band 1 
Hillary H. Holmes
Hillary Holmes has a strong track record for acting for oil and gas companies across a variety of corporate transactions. Alongside her recognized strength in capital market transactions, she is also acclaimed for her corporate M&A work and asset A&D practice.
Hillary Holmes has an extraordinary amount of discernment. She can very quickly understand key matters, both legal and commercial and help her clients quickly identify high priority focus areas.
Energy: Oil & Gas (Transactional) respondentUSA
Band 1 
Band 1 
Michael P Darden
Michael Darden has tremendous expertise in oil and gas sector M&A and is frequently called on to handle major domestic and international transactions on behalf of prominent industry players. Michael is a really good all round lawyer, always engaged and helpful, always looking for solutions.
Energy: Oil & Gas (Transactional) respondentUSA
Band 2 
Band 2 
Michael De Voe Piazza
Michael De Voe Piazza advises private equity investors and oil and gas companies on M&A as well as corporate, acquisition and development financing. Band 2 
Band 2 
Peter Hanlon
Peter Hanlon has longstanding experience assisting clients with complex financing arrangements including securities offerings. He handles financings involving conventional power and renewables assets.
Band 2 
Band 2 
Rahul Vashi
Rahul Vashi handles all types of oil and gas sector work, including high value mergers and sale and purchase agreements.
Rahul has a unique ability to identify nuanced issues early and position the company strategically for the best possible outcome.
Energy: Oil & Gas (Transactional) respondentUSA
Band 3 
Band 3 
Nicholas Politan
Nicholas Politan is equally adept in wind, solar and traditional power transactions, acting for operators, developers and investors on M&A and financings. He adroitly handles both domestic transactions and those with cross-border elements. Band 4 
Band 4 
Omar Samji
Omar Samji handles midstream oil and gas transactions, frequently assisting clients with strategic joint ventures as well as asset sales and purchases. Omar is dedicated counsel with strong expertise.
Energy: Oil & Gas (Transactional) respondentUSA
Band 4 
Band 4 
William Hollaway
William Hollaway ably handles a range of issues across the electricity sector, including cost allocation matters for transmission owners, power generators and private equity investors. He has additional strength in assisting with FERC approval for project development and commercial transactions. Band 5 
Band 5 
Tull Florey
Tull Florey handles a range of M&A work for oil and gas clients including those with assets in the upstream and midstream sectors.
Tull is very knowledgeable and is able to stay calm in the middle of the storm.
Energy: Oil & Gas (Transactional) respondentUSA
Band 5 
Band 5 
Victoria Lauterbach
Victoria Lauterbach assists electric utilities with various complaints before FERC. She has notable experience representing MISO Transmission Owners in rate and tariff matters.
Victoria is a really excellent lawyer who is keen, helpful and available.
Energy: Oil & Gas (Transactional) respondentUSA
Ranked Individuals at Gibson, Dunn & Crutcher LLP (10)
Members
Provided by Gibson, Dunn & Crutcher LLP

Hillary H. Holmes
View profile of Hillary H. Holmes
Michael P Darden
View profile of Michael P Darden
Tull Florey
View profile of Tull Florey
Omar Samji
View profile of Omar Samji
Michael De Voe Piazza
View profile of Michael De Voe Piazza
Rahul Vashi
View profile of Rahul Vashi
William Hollaway
View profile of William Hollaway
Nicholas Politan
View profile of Nicholas Politan
Peter Hanlon
View profile of Peter Hanlon
Victoria Lauterbach
View profile of Victoria Lauterbach
Gibson, Dunn & Crutcher LLP has rankings in the following guides
Band 4 Asia-Pacific 2026
Practice area: Energy & Natural Resources
Location: Asia-Pacific Region
View department profile for Asia-Pacific 2026Band 4 Global 2026
Practice area: Energy & Natural Resources
Location: Asia-Pacific Region
View department profile for Global 2026Band 2 USA 2026
Practice area: Energy & Natural Resources
Location: Colorado
View department profile for USA 2026
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