Mark Weeks specializes in corporate and securities law with an emphasis on representing emerging and public growth companies, as well as investment banking firms and venture capital investors. Mark counsels companies throughout their lifecycle on matters ranging from pre-incorporation planning, company formations, fundraising strategies, private financings, IPOs and follow-on equity and debt offerings as well as M&A, spinoffs and other complex business collaborations, corporate governance and SEC reporting. He has represented companies and investment banks in well over 200 public offerings.

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  • Apollo Endosurgery to Be Acquired by Boston Scientific 

  • Tmunity Therapeutics Agrees to Sell to Kite 

  • Rani Therapeutics – $73 Million IPO 

  • Unchained Labs Agrees to Sell to The Carlyle Group 

  • NeuroPace – $117 Million IPO 

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  • Santa Clara University School of Law
    JD, 1987

  • Williams College
    BA, 1983

Admissions & Credentials


"Adept at representing and advising emerging life sciences companies throughout their growth, from pre-incorporation to M&A.”

Chambers USA: Life Sciences: Corporate/Commercial – California (2022)