Joanna K Horsnail

Joanna K. Horsnail is a partner in the Chicago office of global law firm Mayer Brown LLP. Joanna’s law practice focuses on complex construction transactions, including the development of infrastructure, energy and government facilities. Joanna serves as the Office Managing Partner for the Chicago office and is the former chair of Mayer Brown’s Diversity Steering Board. Joanna was named a “Managing Partner of the Year” at the 2024 Corporate Counsel Women, Influence & Power in Law Awards. Joanna was a 2015 Fellow in Leadership Greater Chicago, and was a recipient of Mayer Brown’s 2015 Diversity Champion Award, was named a 2007 Women in Public Finance Woman of the Year Award and was named by Crain’s Chicago Business as one of the 2018 “Notable Women Lawyers in Chicago.” Joanna did a TEDx Talk about her journey with her son with a rare genetic syndrome, and it can be viewed here: https://www.youtube.com/watch?v=D5Ajxg1C-CA