Joanna K. Horsnail: Lawyer with Mayer Brown LLP

Joanna K. Horsnail

Chicago,  IL  U.S.A.
Phone+1 312 701 8056

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Experience & Credentials

Practice Areas

  • Banking & Finance
  • Projects
  • Construction & Engineering
  • Energy
  • Sectors
  • Renewable Energy
  • Government Relations
  • Entertainment & Media
  • Hospitality & Leisure
  • Infrastructure
  • Infrastructure Financing/Projects
  • Infrastructure Funds
  • Infrastructure Public-Private Partnerships
  • Litigation & Dispute Resolution
  • Sports
Contact InfoTelephone: +1 312 701 8056
Fax: +1 312 706 9133
University University of Colorado, B.S., 1993
Law SchoolChicago-Kent College of Law, Illinois Institute of Technology, J.D., 1996
Admitted1996, Illinois


Women in Public Finance (Past President); recipient of the 2007 Woman of the Year Award

Board of Directors of Anixter Center (2009 to present)

Women's Infrastructure Network

National Association of Bond Lawyers


Very knowledgeable and practical

Legal 500 2013

Joanna Horsnail is a construction and government transactions attorney whose practice focuses on the following areas:

Design and Construction. Represents public and private owners, developers, lenders, and contractors regarding the design, construction, development, financing, acquisition, and disposition of facilities, including various public-private partnership projects. Other experience includes traditional power projects, renewable energy projects, and other infrastructure projects. Joanna negotiates and prepares EPC contracts, design and construction agreements, concession agreements, sponsorship agreements, naming rights agreements, leases, service agreements, purchase agreements, operation and maintenance agreements, consulting contracts and various project-management agreements. In 2013, Legal 500 recommended Mayer Brown's Construction Practice for its extensive knowledge of construction law matters and good sense of current market practices.

Public and Project Finance. Represents clients in tax-exempt financings as bond counsel, underwriters' counsel, issuer's counsel, and credit enhancer's counsel. Joanna has participated in financings for the State of Illinois (bond counsel for $10 billion pension obligation bond financing, which was named a Bond Buyer Midwest deal of the year), the City of Chicago, the Board of Education of the City of Chicago, the Illinois Housing Development Authority, the Illinois Sports Facilities Authority, the Chicago Symphony Orchestra, the County of DuPage, Columbia College, Loyola University, charter schools and other public and not-for-profit entities. Also works on construction-related aspects of project finance transactions, including representing lenders and sponsors.

General Governmental Representation. Provides general counsel to governmental bodies engaged in activities such as construction, privatization, economic development, procurement, complex developments and special projects. She has negotiated and documented sophisticated transactions involving the State of Illinois, the City of Chicago, the Illinois Sports Facilities Authority, and the Metropolitan Pier & Exposition Authority.

Joanna also serves as chair of Mayer Brown's Women's Leadership Committee.

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Office Information

Joanna K. Horsnail

71 S. Wacker Drive
ChicagoIL 60606


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