Yasaman H. Hosseini

As an attorney in the Business and Finance Section, Yassi represents clients in merger and acquisition deals and in general corporate governance matters and advises clients on a broad range of legal issues across a diverse range of industries. Yassi assists clients with entity formation, corporate governance, commercial contracts, and compliance with various regulations. Yassi also has experience conducting and managing due diligence in buy-side and sell-side transactions.

In her practice, Yassi assists clients with negotiation of agreements, drafting and analyzing various transaction documents including purchase agreements, term sheets, operating agreements, bylaws, corporate resolutions, security agreements, services agreements, and privacy policies. Yassi also has experience representing lenders in commercial lending transactions and assisting in the drafting and review of financing documents, including loan agreements, credit agreements, and security agreements

Before joining Fennemore, Yassi worked at a Denver-area law firm and focused on business and corporate law. Additionally, she has experience working for the Denver City Attorney’s Office, an international transactional law office in Tehran, Iran, Human Rights Watch in Washington D.C., and at the Colorado Department of State. Yassi is fluent in Farsi and proficient in French. Outside of her law practice, she enjoys spending time with friends and family, cooking, traveling, and skiing.


  • J.D., University of Colorado Law School
  • B.A., University of Boulder Colorado

Areas Of Practice

Our business and finance attorneys represent national, regional and local clients participating in significant transactions.

Our attorneys provide full-service representation to alternative, renewable, and next-generation energy producers, developers, and manufacturers.

Our business attorneys recognize and appreciate the value of entrepreneurship and innovation, and are committed to providing efficient, straightforward and business-oriented solutions that facilitate success and avoid pitfalls while recognizing early capital is precious and expensive.

Fennemore boasts a large and sophisticated client-focused Mergers and Acquisitions practice.

Professional and Community Affiliations

  • Member, Colorado Bar Association
  • Member, Board of Governors, Denver Bar Association
  • Member, Programs Committee, Colorado Women’s Bar Association

Awards and Honors

  • Best Lawyers® Ones to Watch: Business Organizations (including LLCs and Partnerships), Corporate Law, 2024


  • Colorado
  • New York


  • Farsi
  • Proficient in French