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Vinson & Elkins LLP

1001 FANNIN STREET, SUITE 2500, HOUSTON, TX 77002-6760, USA
Work +1 713 758 2222
Fax +1 713 758 2346
Austin, Beijing, Dallas, Dubai, Hong Kong, Houston and 10 more

Mark Kelly

Work +1 713 758 4592
Vinson & Elkins LLP

Work Department

Capital Markets


Mark's principal areas of practice are mergers and acquisitions, initial public offerings, public financings, and private placements. His clients include public companies; venture capital funds; start-up companies; manufacturing companies; medical technology companies; oil field service companies; gas marketing, exploration and production companies; and investment banking firms. He has represented clients listed on the NYSE, ASE, and NASDAQ National Market.

Mark has extensive experience in public offerings of equity securities, and public and private debt securities. He also acts as general counsel for several public and private corporations. He has assisted in structuring and negotiating stock and asset acquisitions, and in negotiating bank financings. Mark also has extensive experience in merger and acquisition transactions, representing clients in transactions totaling over $6 billion in the last two years. He has represented clients in over 100 domestic and cross-border debt and equity offerings since 2004.

Mark has held numerous positions with the firm, serves as a member of V&E’s Management Committee and is Chairman of the firm.


  • Director, State Bar of Texas
  • Past President, Houston Bar Association
  • Fellow: Houston Bar Foundation; Texas Bar Foundation
  • Member: American, Texas, and Houston Bar Associations; Vice Chairman, Parade Committee, Houston Livestock Show and Rodeo; Board of Trustees and Executive Committee Member, Houston Museum of Natural Science; City of Houston's READ Commission; Leadership Houston, Class VIII
  • Past President, Houston Young Lawyers Association
  • Past Director, Texas Young Lawyers Association
  • Chair, Houston Volunteer Lawyers Program
  • Past Chair: Houston Bar Foundation, Houston Lawyer Referral Service; Professionalism Committee, Hunger Relief Committee, and Local Affiliates Committee, Texas Young Lawyers Association; Houston Young Lawyers Foundation
  • Past Vice Chair, Center for Hearing and Speech


Mark graduated from Texas A&M University, B.B.A. in 1978, and Southern Methodist University, J.D. in 1981 (Fraternities: Phi Eta Sigma, Beta Alpha Psi, Beta Gamma Sigma, Phi Kappa Phi, and Phi Delta Phi). Admitted to Texas Bar in 1981.

United States: Finance

Capital markets: debt offerings

Within: Capital markets: debt offerings

Among the leaders for energy offerings’, Vinson & Elkins LLP’s capital markets team also secures a steady flow of work relating to the aviation, healthcare, real estate and TMT sectors. David Oelman and Matthew Strock co-head a Houston-based team that also benefits from the senior experience of firm chairman Mark Kelly and of counsel Michael Harrington. Among its issuer-side highlights, the firm advised Concho Resources on its $1.8bn offering of senior notes and it also assisted Occidental Petroleum Corporation with its $1.5bn offering of senior notes. The firm has also been active on the manager side and recent work includes advising the underwriters on Enterprise Products Partners’ $1.7bn offering of junior notes. In 2017, Lande Spottswood and Thomas Zentner were promoted to partner.

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