

Jason Day
- Firmwide Co-Chair, Corporate Practice
- Denver
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Jason serves as a trusted advisor to leading publicly traded companies on their most important corporate governance, capital markets and transactional matters.
Jason Day also serves as co-chair of the firm’s global Corporate practice. He regularly counsels public company boards of directors and management on U.S. Securities and Exchange Commission disclosure obligations; capital markets deals; environmental, social, and governance disclosures; fiduciary duties; internal investigations; proxy advisory firm standards; and stockholder activism matters. His clients range from businesses preparing for an initial public offering (IPO) to Fortune 500 corporations across a variety of industries, and he has particular experience in the life sciences, consumer products, energy, technology, and food and beverage sectors.
Education & Credentials
Education
- The George Washington University Law School, J.D.
- Syracuse University, B.A.
Bar and Court Admissions
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Colorado
Professional Recognition
Ranked by Chambers USA as "America's Leading Lawyer" for Corporate: Mergers & Acquisitions, 2016-2024
Named "Lawyer of the Year," for Securities Regulation by Best Lawyers in America, 2025
Listed in The Best Lawyers in America: Corporate Governance Law; Securities / Capital Markets Law; Securities Regulation, 2014-2025
Named “Corporate Governance Law Lawyer of the Year” by Best Lawyers in America, 2021
Named "Lawyer of the Year," for Securities / Capital Markets Law and Securities Regulation by Best Lawyers in America, 2020
Listed in 5280 as one of Denver's Top Lawyers, 2016-2020
Named a "Colorado Super Lawyer," by Super Lawyers, 2014-2018
Named Lexology and International Law Office (ILO), Client Choice Award: Capital Markets, 2014-2015
Named "Colorado Lawyer of the Year" by Law Week Colorado, 2013
Named a "Colorado Rising Star," by Super Lawyers, 2012-2013
Listed in the Legal 500 under capital markets-equity offerings, 2011
Impact
Professional Leadership
- Colorado Bar Association Securities Law Section, Co-Chair, 2009-2011
Community Involvement
- Syracuse University College of Arts and Sciences, Former Member, Board of Visitors
- Easter Seals of Colorado, Former Member, Board of Directors