​​100+ Years of Legal Experience and Innovation 

3636 Nobel Drive, Suite 215, San Diego, California 92122 | (858) 404-9800 | info@rowemullen.com


Jeffrey H. Mackay, Esq.

Direct Dial: (858) 450-2219

​email:  mackay@rowemullen.com


Mr. Mackay is Of Counsel to the firm and brings a particular expertise in the highly complex area of Securities Law.  Mr. Mackay has a diverse entrepreneurial and technical background, starting as a prototype machinist in what came to be Silicon Valley and progressing to become an engineer for General Dynamics before transitioning to law. 

Mr. Mackay is himself a business owner and inventor, holding multiple granted and pending patents.  He is uniquely positioned to understand and guide business of all types with respect to their entrepreneurial and legal needs.  His practice includes:

  • Corporate Legal Services for Entrepreneurs and Small to Mid-Sized Companies
  • Securities Law
  • Exchange Act Reporting and Compliance Matters
  • Public Offerings and Reverse Mergers
  • Mergers & Acquisitions
  • Shareholder Communications Matters (press releases, social media, earnings calls, etc.)
  • Regulation FD Compliance Matters
  • Responses to SEC Compliance Letters
  • Beneficial Ownership Reporting Matters for Officers and Directors on Forms 3, 4 and 5, as well as Forms 13d or 13g
  • Other General Disclosure and Compliance Practices and Matters
  • PIPE Transactions
  • Registration Statements
  • Stock Exchange Listing Matters


  • All California State Courts and Courts of Appeal
  • United States District Court, Southern District of California


  • Thomas Jefferson School of Law, J.D.


  • Business owner, including a food technology company and distillery
  • Inventor and holder of multiple granted and pending patents


Mr. Mackay is married and is the proud father of four children. He enjoys skiing, scuba diving and motorsports.