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

Ranked Individuals
Ranked Individuals
About
Provided by Gibson, Dunn & Crutcher LLP
To learn more about our practice, please visit gibsondunn.com.
Chambers Review
Provided by Chambers
Work Highlights
Provided by Chambers
Gibson, Dunn & Crutcher LLP advised Guggenheim Securities as financial advisor to EQT in the $35 billion merger agreement between EQT and Equitrans Midstream.
Strengths
Provided by Chambers
The team's knowledge of upstream oil and gas is exceptional.
Energy: Oil & Gas (Transactional) respondentGlobalGibson provide reliable, creative legal guidance and drafting while maintaining a commercial mindfulness that avoids losing sight of the broader context of the business at hand.
Energy: Oil & Gas (Transactional) respondentGlobalThe team have deep experience in subject matter areas and are experts in the field. They are extremely responsive and excellent customer service is provided.
Energy: Oil & Gas (Transactional) respondentGlobalThe team have a deep understanding of the legal issues paired with an ability to facilitate commercial decisions to get a deal done.
Energy: Oil & Gas (Transactional) respondentGlobal
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.
She's fantastic and such a strong advocate.
Energy: Oil & Gas (Transactional) respondentGlobal
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. He is really knowledgeable in the oil and gas area.
Energy: Oil & Gas (Transactional) respondentGlobal
Band 1 
Band 1 
Peter Hanlon
Peter Hanlon has long-standing experience assisting clients with complex financing arrangements including securities offerings. He handles financings involving conventional power and renewables assets. Peter has outstanding responsiveness.
Energy: Oil & Gas (Transactional) respondentGlobal
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. Michael's attention to detail, commercial awareness and ability to manage nuanced processes are extremely valuable to our business.
Energy: Oil & Gas (Transactional) respondentGlobalHe is a great advocate and able to get into the details in a way that is remarkable. He fights so hard for client to make sure there getting the best deal possible.
Energy: Oil & Gas (Transactional) respondentGlobalMichael has a deep understanding of the oil and gas private equity industry with impeccable client service.
Energy: Oil & Gas (Transactional) respondentGlobal
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. He is an extraordinary lawyer and extremely talented.
Energy: Oil & Gas (Transactional) respondentGlobal
Band 3 
Band 3 
Rahul Vashi
Rahul Vashi handles all types of oil and gas sector work, including high value mergers and sale and purchase agreements.
Rahul is highly strategic and professional, incredibly talented and a fierce advocate. He is also incredibly smart and practical.
Energy: Oil & Gas (Transactional) respondentGlobal
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. He understands our needs and is always willing to work with us to think of solutions.
Energy: Oil & Gas (Transactional) respondentGlobalOmar is extremally responsive and commercial.
Energy: Oil & Gas (Transactional) respondentGlobal
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. William has exceptional deal savviness.
Energy: Oil & Gas (Transactional) respondentGlobalHe is really good at understanding the technical background.
Energy: Oil & Gas (Transactional) respondentGlobal
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.
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.
She is very skilled moving towards consensus and reaching agreement when there's diverse interests.
Energy: Oil & Gas (Transactional) respondentGlobal
Ranked Individuals at Gibson, Dunn & Crutcher LLP (10)
Members
Provided by Gibson, Dunn & Crutcher LLP

Michael De Voe Piazza
View profile of Michael De Voe Piazza
Rahul Vashi
View profile of Rahul Vashi
Michael P Darden
View profile of Michael P Darden
Tull Florey
View profile of Tull Florey
Omar Samji
View profile of Omar Samji
Hillary H. Holmes
View profile of Hillary H. Holmes
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
What success is built on
Chambers is the leading data and intelligence partner for the legal sector.