Ryan A. Onosko

Tel | 414.276.5000




  • Marquette University Law School (cum laude)
  • University of Washington (B.A.)

Ryan A. Onosko

Solving Difficult Problems with Creative Solutions

Ryan is a member of the firm’s Business Law and Mergers and Acquisitions Practice Groups and he serves a wide variety of clients in the practice areas of Banking, Receivership, and Creditors’ Rights, and Real Estate and Construction. Ryan represents and assists financial institutions, businesses, and individuals with complex commercial financing arrangements, including reviewing, preparing, and negotiating commercial loan agreements, intercreditor agreements, and subordination agreements. Ryan also advises and represents clients on a variety of business related matters, including mergers and acquisitions, the sale and purchase of real estate, software and technology related issues, and contract review, preparation, and negotiation.

Ryan Assists Clients With

  • Representing buyers and sellers in mergers and acquisitions
  • Commercial and residential real estate purchases and sales
  • Complex commercial loan transactions for lenders and borrowers
  • Drafting and negotiation of complex business agreements including software, technology, and IP agreements

Experience/Representative Client Work

  • Law Clerk, O’Neil, Cannon, Hollman, DeJong & Laing S.C.
  • Research Assistant to Dean Joseph D. Kearney, Marquette University Law School
  • Legal Intern, Milwaukee City Attorney’s Office

Professional Associations & Affiliations

  • Member, Milwaukee Young Lawyers Association
  • Member, State Bar of Wisconsin
  • Member, Milwaukee Bar Association
  • Member, American Bar Association


  • Dean’s List, Marquette University Law School
  • Dean’s List, University of Washington
  • Associate Editor, Marquette Law Review


  • Co-Author, State Bar of Texas 11th Annual Bill of Rights: Litigating the Constitution Seminar, “Electoral College: Do We Have a Democracy?” (Austin, TX, May 2017)

Community Involvement

  • Legal Volunteer, Milwaukee Justice Center Family Law Clinic, Fall 2013

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