Clyde Tinnen


Clyde Tinnen advises fund sponsors in connection with the formation and operation of private investment funds, capital deployment, securities law reporting, and compliance (e.g., Securities Act, Exchange Act, Investment Company Act, and Investment Advisers Act). Clyde also advises public corporations in Exchange Act reporting and public and private corporations in negotiating and structuring complex business transactions, including domestic and cross-border mergers and acquisitions, secured and unsecured finance arrangements, public offerings, and private placements. Clyde also provides general corporate counseling and advice on various commercial arrangements. He is a partner in the firm’s Fund Formation & Investment Management and Capital Markets Practices. Clyde is the vice chair of the firm’s Transactions Practice.

Clyde’s clients compete in a myriad of industries including manufacturing, metals and mining, specialty chemical, nanotechnology, retail, lending, and private investment management. He has also represented family offices and limited partner investors in connection with investments in private investment funds.

Before joining Foley & Lardner LLP, Clyde was a partner at two other large international law firms. Prior to working as a lawyer, Clyde was a senior financial analyst for two public corporations.


Awards and Recognition

  • Appointed by Governor Tony Evers of Wisconsin as the Chair of the State of Wisconsin Investment Board (SWIB) of Trustees (2024)
  • Selected by his peers for inclusion in The Best Lawyers in America© in the field of Corporate Law (2022-2024)
  • Named a 2023 Leader in the Law by the Wisconsin Law Journal


  • Chicago Black Partners Alliance
  • American Bar Association
  • National Bar Association

Presentations and Publications

  • Author, “The SEC’s Regulatory Assault on U.S. Capital Markets,” Wisconsin Lawyer (April 3, 2024)
  • Presenter, “Regulating Crypto after FTX: The Future of Crypto in 2023 & Beyond” (August 1, 2023)
  • Presenter, National Association of Corporate Directors – Boston Chapter (June 15, 2023)
  • Presenter, National Bar Association – “M&A Transactions Bootcamp for Non-M&A Practitioners” (July 24, 2021)
  • Presenter, “Elevating Black Excellence Regional Summit – Fintech Trends” (June 17, 2021)
  • Presenter, National Association of Corporate Directors – “North Texas Chapter VRT Expert Series” (May 5, 2021)
  • Quoted, “Wyoming and Vermont hope to attract tech entrepreneurs by passing laws favorable to blockchain,” ABA Journal (March 2019)
  • Author, “Mergers & Marriages: How to Get to Know a Partner,” Wisconsin Lawyer (October 2019)
  • Quoted, “Fidelity’s Foray Into Bitcoin Likely to Boost Crypto Appeal,” Law 360 (October 18, 2018)
  • Quoted, “What the Senate Hearing Means for the Cryptocurrency Industry,” Corporate Counsel (October 16, 2018)
  • Quoted, “Wall Street Regulators Are Stepping Up Enforcement Actions Against Cryptocurrency Investments – and It Could Add Legitimacy to the Nascent Market in the Long-Run,” Business Insider (September 13, 2018)
  • Author, “Real Estate Crowdfunding Investors – Dealers or Investors?” Bloomberg BNA (September 7, 2018)
  • Quoted, “NXTM/FMS: B. Braun Likely to Satisfy FTC as Divestiture Buyer,” Event Driven (August 2, 2018)
  • Quoted, “Wyoming Makes Rush for Hyped New Tech, Results Still Virtual,” The Associated Press (May 23, 2018)
  • Quoted, “Wyoming Courts Tech Behind Cryptocurrency to Entice Business,” New York Times (May 23, 2018)
  • Panelist, “M&A Due Diligence,” Expert Webcast (April 2018)
  • Quoted, “NXTM/FMS: Price regulation likely to face staff opposition,” Event Driven (February 22, 2018)
  • Quoted, “Cryptocurrency prices plunge as regulators clamp down,” CBS MoneyWatch (February 2, 2018)
  • Co-author, “Securities Law Disclosure Checklist for Alleged (or Confirmed) Misconduct,” Corporate Counsel (April 20, 2017)
  • Co-author, “Implications of the SEC’s Universal Proxy Card Rules,” Today’s General Counsel V14 N1 (February 1, 2017)
  • Co-author, “Checklist of routine annual and other activities to be completed by voluntary filers,” Withers article(December 27, 2017)
  • Quoted, “Small traders should avoid Bitcoin bourses,” Barron’s (December 23, 2017)
  • Quoted, “Bitcoin in 2018: Can futures, mainstream investors tame the hysteria?” Investor’s Business Daily (December 22, 2017)
  • Quoted, “As Bitcoin, other currencies soar, regulators urge caution,” The New York Times (December 14, 2017)
  • Quoted, “As Bitcoin, other currencies soar, regulators urge caution,” ABC News (December 14, 2017)
  • Quoted, “As Bitcoin, other currencies soar, regulators urge caution,” The Washington Post (December 14, 2017)
  • Quoted, “As Bitcoin, other currencies soar, regulators urge caution,” The Associated Press (December 14, 2017)
  • Quoted, “DOJ settlement approaching, correspondence reveals,” Event Driven (December 12, 2017)
  • Author, “Shining examples: Lessons from my grandparents that enhance my practice,” State Bar of Wisconsin Business Law Blog (September 25, 2017)
  • Quoted, “Bitcoin tax dodgers on collision course with the IRS,” The Street (August 28, 2017)
  • Co-author, “Getting in on the ground floor,” Private Asset Management (March 2017)
  • Co-author, “Building the better buy-sell agreement,” New York Law Journal (May 2016)
  • Co-author, “Lessons learned from a highly successful proxy contest defense,” Harvard Law School Forum on Corporate Governance and Financial Regulation (December 18, 2015)
  • Author, “Going dark presents traps for unwary companies following an acquisition,” New York Law Journal (October 2015)
  • Author, “Unintended barriers to diversity in Big Law partnerships,” Multicultural Law Magazine (2015)
  • Co-author, “Practical tips to comply with SEC beneficial ownership reporting requirements,” Illinois Business Law Journal (November 2014)
  • Author, “Outdated SEC mining disclosure rules need reform – The purported rationale behind Industry Guide 7 is consistent with the SEC’s mission but in reality misses the mark,” Inside Counsel (October 2014)
  • Author, “Wisconsin merger draws lawsuits despite contrary state precedent,” Wisconsin Law Journal (October 2014)
  • “The Metropolitan Corporate Counsel interviews partner Clyde Tinnen,” Metropolitan Corporate Counsel (August 2014)
  • “The evolution of leveraged acquisitions following the 2007 credit crisis,” Practising Law Institute, Corporate Law and Practice, Course Handbook Series B-1706 (September 2008)
12 April 2024 Deals and Wins

Foley Represents TCGX in $30M Private Placement Financing in Nektar Therapeutics

Foley & Lardner LLP represented TCG Crossover in the $30 million private placement financing in Nektar Therapeutics.
03 April 2024 In the News

Clyde Tinnen Authors Article on SEC Rulemaking’s Impact on Capital Markets

Foley & Lardner LLP partner Clyde Tinnen authored the Wisconsin Lawyer article, “The SEC's Regulatory Assault on U.S. Capital Markets."
13 February 2024 Deals and Wins

Foley Represents TCGX as Lead Investor in $127.5M Private Placement for Adverum Biotechnologies

Foley & Larder LLP represented TCG Crossover as the lead investor in the $127.5 million private placement for Adverum Biotechnologies.
13 February 2024 Deals and Wins

Foley Represents TCGX as Investor in $120M Private Placement for Silence Therapeutics

Foley & Larder LLP represented TCG Crossover (“TCGX”) as an investor in the $120 million private placement for Silence Therapeutics.
13 February 2024 Deals and Wins

Foley Represents TCGX as Lead Investor in $120M Private Financing for Mineralys Therapeutics

Foley & Larder LLP recently represented TCG Crossover as a lead investor in the $120 million private financing for Mineralys Therapeutics.
15 December 2023 Honors and Awards

Four Foley Attorneys Named Legal All-Stars by Wisconsin Law Journal

Foley & Lardner LLP partners Michael Hatch and Clyde Tinnen and associates Alexis Leineweber and Elizabeth Stone were recognized as 2023 Legal All-Stars by the Wisconsin Law Journal.