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Mark is a founding partner of TKN Tyson. He focuses his practice on representing startups and closely-held companies on a range of matters, including formation, corporate governance, angel and venture capital financings, securities, M&A, IP, and commercial contracting. 

Mark has advised venture-backed and bootstrapped companies in a variety of sectors, including SaaS, FinTech, AI/ML, AR/VR, AgTech, CleanTech, Blockchain, E-Commerce, and more. He has been selected as a Super Lawyer Rising Star in each year since 2020.

Mark frequently writes about startups and the legal issues they encounter. Taking inspiration from his clients and his own experience, he also provides guidance and mentoring to other lawyers looking to make their practices more entrepreneurial.

Venture Capital: Represented startups and investors in financings ranging from $100,000 to $60 million. 

Commercial/IP Negotiations: Advised companies in negotiating numerous enterprise software and IP licensing agreements with Fortune 500 and other blue chip companies.

M&A: Represented buyers and sellers in numerous 7 and 8 figure M&A transactions.

International Transactions: Advised US companies on investment, partnership, and commercial deals in Europe, Asia, Africa, and the Middle East.


JD, University of Washington School of Law, 2013

  • Executive Board Member, Washington Law Review
  • Member, Moot Court Honor Board

BA, University of Southern California, 2010, Cum Laude


During our initial consultation with Mark, he took time to learn about our business and asked smart questions about our goals and challenges. Since completing our incorporation, Mark has advised us on a range of issues including fundraising and employee equity. Mark is thorough and responsive to each new problem we throw his way, and having him on our team is a big source of confidence as we navigate the challenges of growing our business.


Latest perspectives

  • 11

    Post Categories

    • Startups
    • Mergers & Acquisition
    • Tax

    QSBS: Workarounds to the Five-Year Holding Period

    The five-year QSBS holding period requirement can be an obstacle to eligibility for the powerful QSBS gain exclusion. But there are workarounds for those QSBS holders who can't meet the holding period.

  • 4

    Post Categories

    • Startups
    • Fundraising

    The Ultimate Guide to Raising a Priced Round for Startups

    Discover essential strategies for raising a priced round in our guide for startups. Learn how to avoid common pitfalls and secure the funding your company needs to scale.

  • 2

    Post Categories

    • Startups
    • Tax

    6 Common Tax Issues for Startups

    Learn about 6 common tax issues early stage startups face. Get practical tips to avoid common pitfalls and build on a strong foundation.

  • 3

    Post Categories

    • Startups
    • Investment Funds
    • Alerts

    The Corporate Transparency Act: Summary and Reporting Obligations

    Navigate the complexities of the Corporate Transparency Act with this post that breaks down the key reporting obligations, providing vital insights for businesses.