
Capital Markets: Debt & Equity: Central United States
Global Guide 2026 : USA
Rankings

Ranked Individuals
Ranked Individuals
About
Provided by Vinson & Elkins LLP
V&E has a top capital markets practice, not only in Texas, but nationwide. Our practice is consistently recognized as top in the U.S., most recently including:
- More than 10 top-10 rankings in Bloomberg’s 2015 Year End League Tables, including #3 in U.S. Equity Offerings, Manager Advisers (IPO) by deal value, and #4 in U.S. Equity Offerings, Issuer Advisers by deal value.
- 10 top-10 rankings in The American Lawyer’s 2016 Corporate Scorecard, including #3 for U.S. IPOs (Issuers’ Counsel by value), and #3 for Equities (non-IPO) (Issuers’ Counsel by volume).
V&E has ranked among the top five law firms representing issuers in U.S. IPOs in 11 of the past 15 years in The American Lawyer’s Corporate Scorecard. Our work in the Master Limited Partnership (MLP) space is unparalleled: our lawyers have acted as the Issuer’s or Underwriters’ counsel in more than 80% of all natural resource or real estate MLP IPOs completed since the qualifying income test in 1987.
Chambers Review
Provided by Chambers
Work Highlights
Provided by Chambers
Vinson & Elkins LLP advised Nabors Energy Transition Corp. II in connection with its initial public offering in a matter worth $305 million.
Strengths
Provided by Chambers
Vinson & Elkins has a very deep understand of energy markets.
Capital Markets: Debt & Equity: Central United States respondentGlobalThe team has great bench strength and practical expertise.
Capital Markets: Debt & Equity: Central United States respondentGlobalVinson & Elkins offers a deep bench of talented lawyers with a wealth of experience in energy matters.
Capital Markets: Debt & Equity: Central United States respondentGlobalVinson & Elkins are the 'go-to' firm for large, complex transactions in the energy space.
Capital Markets: Debt & Equity: Central United States respondentGlobalThey are a very creative firm.
Capital Markets: Debt & Equity: Central United States respondentGlobal
Notable Practitioners
Provided by Chambers
Senior Statespeople 
Senior Statespeople 
T Mark Kelly
Mark Kelly provides market-leading representation to issuers and underwriters on the full span of capital markets matters. Band 1 
Band 1 
David Oelman
David Oelman acts for clients in a range of capital markets matters, with an emphasis on IPOs. He brings to bear significant experience in diverse industries, including energy, biotechnology and construction. Band 1 
Band 1 
Douglas E McWilliams
Douglas McWilliams' broad practice sees him at the service of issuers and underwriters in major offerings of debt and equity, with extensive experience in complex and high value IPOs in the energy sector. Douglas does a great job of keeping everything moving and being a good client-facing leader of the team.
Capital Markets: Debt & Equity: Central United States respondentGlobal
Band 1 
Band 1 
Sarah Morgan
Sarah Morgan is an experienced adviser to companies and underwriters, with capabilities spanning both debt and equity transactions, including IPOs. Sarah is just top notch and has a great balance of common sense and legal knowledge.
Capital Markets: Debt & Equity: Central United States respondentGlobalSarah is extremely responsive and very good at engaging with me at any time.
Capital Markets: Debt & Equity: Central United States respondentGlobal
Band 2 
Band 2 
Ramey Layne
Ramey Layne dedicates his practice to the representation of issuers and underwriters on the complete spectrum of debt and equity offerings. He is highlighted for his specialist experience advising MLPs and SPACs. Ramey is excellent to work with and so thoughtful.
Capital Markets: Debt & Equity: Central United States respondentGlobal
Band 3 
Band 3 
Michael S Telle
Michael Telle is regularly chosen by clients for his expert counsel on a broad range of public and private financing transactions. He is best known for his capital markets work in the energy industry, where he handles all kinds of debt and equity offerings. Band 4 
Band 4 
David Stone
David Stone is a popular choice for oil and gas companies involved with a range of debt offerings. He has notable experience of providing counsel on high-yield debt transactions. David is technically skilled on the debt side.
Capital Markets: Debt & Equity: Central United States respondentGlobal
Band 4 
Band 4 
Jackson O'Maley
Jackson O'Maley is regularly sought after for his notable experience in a range of capital market transactions, particularly in the energy industry.
He is phenomenal, sharp, good on his feet and commercial.
Capital Markets: Debt & Equity: Central United States respondentGlobal
Band 4 
Band 4 
Thomas G Zentner III
Thomas Zentner is known for representing issuers and managers through a variety of debt matters.
He is a fantastic lawyer who does a lot of great work.
Capital Markets: Debt & Equity: Central United States respondentGlobal
Ranked Individuals at Vinson & Elkins LLP (9)
Members
Provided by Vinson & Elkins LLP

Douglas E McWilliams
View profile of Douglas E McWilliams
David Oelman
View profile of David Oelman
T Mark Kelly
View profile of T Mark Kelly
Michael S Telle
View profile of Michael S Telle
Ramey Layne
View profile of Ramey Layne
Sarah Morgan
View profile of Sarah Morgan
David Stone
View profile of David Stone
Thomas G Zentner III
View profile of Thomas G Zentner III
Jackson O'Maley
View profile of Jackson O'Maley
Vinson & Elkins LLP has rankings in the following guides
Band 1 USA 2026
Practice area: Capital Markets: Debt & Equity
Location: Texas
View department profile for USA 2026
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