Mark Eisenbraun, a co-founder and senior partner of Walker Eisenbraun, counsels clients with respect to corporate, securities and transactional matters, with an emphasis on counseling businesses seeking financing in the private and public markets.  With over three decades of practice with national law firms in the areas of corporate, securities, finance, and mergers and acquisitions, Mark represents clients in the full range of corporate and commercial legal matters, from middle market companies to substantial private enterprises preparing to go public, and public companies listed on major stock exchanges throughout the world.  He also previously served as the chief operating officer of a clothing manufacturer, where he oversaw the successful implementation of business processes and procedures in preparation for the sale of the company.  Clients trust Mark for his intellectual rigor and his strategic business judgment and seek his counsel to guide them through the most complex of legal matters.

Mark earned his law degree from The University of Texas School of Law, and both a B.A. and a M.A. from The University of Oxford.  Mark is also a Phi Beta Kappa graduate of the University of South Dakota, has completed culinary school, worked professionally for several years as a baker and likes to bake for family and friends.  He also likes to read, write and speak in other languages, and loves hiking surrounded by natural and man-made wonders in his travels around the world.  He serves on the board of the Pine Ridge Girls School, the first ever Native American all-girls college preparatory school, located on the Oglala Sioux Pine Ridge reservation in South Dakota.


  • Seller’s counsel in approximately $47,000,000 equity sale of energy brokerage technology firm to private equity acquirer
  • Represented specialty surgical hospital in $26,000,000 asset sale to major hospital system
  • Seller’s counsel in $13,000,000 acquisition by private equity group of software company by reverse triangular merger under Delaware law with a Boston-based national law firm representing the purchaser and New York-based national law firm representing the major stockholders
  • Borrower’s counsel in reorganization of $55,000,000 syndicated credit facility of publicly traded hospital
  • Represented chemical manufacturing company board of directors in approximately $7,000,000 capital reorganization by repurchase of major stockholder stock, commercial bank financing and new investment capitalization during stockholder dispute
  • Seller’s counsel in $11,000,000 disposition of intellectual property and technology portfolio to major electrical equipment manufacturer
  • Represented physician owned hospital in establishing $15,500,000 credit facility with commercial lender
  • Represented NYSE-listed international distribution company in negotiation of $100,000,000 master equipment and services contract to convert multiple distribution warehouses to robotic operations


  • Pine Ridge Girls School
  • Previously active in Child Advocates and Big Brothers, Big Sisters


P: 713-904-1944


Corporate & Securities
Mergers & Acquisitions
Spinoffs and other Public Company Transactions
Restructurings & Reorganizations
Loan Syndications & Complex Commercial Transactions
Lending & Commercial Finance
International Transactions
Executive Compensation
Boards of Directors & Special Committees


  • J.D., The University of Texas at Austin, 1982
  • M.A., Politics, Philosophy & Economics, University of Oxford, 1983
  • B.A., magna cum laude, Politics, Philosophy & Economics, University of Oxford, 1979
  • B.A., summa cum laude, Latin & Greek, University of South Dakota, 1976
    Rhodes Scholar
    Phi Beta Kappa, inducted into as a junior


  • Corporate & Securities Partner, Winstead PC
  • Capital Markets, Finance & Restructuring Attorney, Keck, Mahin & Cate
  • Vice President & COO, Beautiful Bambino
  • Capital Markets, Finance Restructuring Attorney, Weil Gotshal & Manges LLP
  • International Trade Attorney, Webster & Sheffield
  • Corporate Attorney, Butler, Binion, Rice, Cook and Knapp


  • Texas Bar Association
  • Houston Bar Association


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