Mark Eisenbraun is a founding partner of the firm Walker Eisenbraun. Mr. Eisenbraun practices corporate and securities law with an emphasis on businesses seeking finance in the private and public markets. His 30 years of practice at national law firms in the areas of securities law, venture capital and mergers and acquisitions include the representation, in the full range of corporate and commercial legal matters, of start-up and small businesses seeking initial or early investment, substantial private enterprises preparing to go public and public companies listed on major stock exchanges throughout the world.


P: 713-904-1944


Corporate & Securities
Mergers & Acquisitions
Spinoffs and other Public Company Transactions
Restructuring & Reorganization
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
– Inducted into Phi Beta Kappa as a junior

     formation, structuring and financing of new ventures

     venture capital financings for privately held companies

     mergers, acquisitions and dispositions of public and private entities

     broker dealer registration and compliance issues

     structured financings and recapitalizations

     public and private placements of debt and equity securities

     preparation of SEC filings of all types

     executive employment agreements and compensation

     corporate governance and Sarbanes-Oxley requirements

     board and board committee issues

     regulatory affairs and compliance


    Represented foreign oil service company in connection with its $250,000,000 joint venture in the United States

    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 purchaser and a New York-based national law firm representing major stockholders

    Represented Chinese NYSE-listed biotech company in connection with $163,000,000 acquisition of a private laboratory services company

    Represented NASDAQ-listed company in connection with $920,000,000 merger with another NASDAQ-listed company in the biotechnology industry

    Represented stockholder group in settlement of proxy dispute regarding nominations to board of directors of OTCBB company

    Represented OTC Bulletin Board company in $60,000,000 stockholder offering pursuant to registration rights agreement

    Represented NYSE listed company in $40,000,000 acquisition of Canadian company

    Represented London Stock Exchange UK company in $200,000,000 disposition of international manufacturing division headquartered in US with additional locations in Australia, Belgium, China, Germany, Italy, Spain

    Represented energy exploration and development company in private issuance and public registration of $205,000,000 debt offering, with continuing advice on indenture compliance in connection with its initial public offering in Canada and listing on the Toronto Stock Exchange and U.S. private placement of $170,000,000 of common stock

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    Honors and Awards

    In 2006, he was recognized as one of Houston’s top lawyers by H-Texas magazine

    Professional Memberships and Associations

    Texas Bar Association
    Houston Bar Association

    Community Activities

    Has been extensively involved as a volunteer with Child Advocates and Big Brothers, Big Sisters


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