Kathryn McMahon Vivanco
Kathryn McMahon Vivanco advocates for her clients and helps to eliminate any uncertainties throughout the divorce process. Kathryn focuses on the specific needs of each individual client, and she has been successful in gaining favorable outcomes for her clients when resolving complex financial and child-related disputes.
Kathryn is a Fellow of Collaborative Divorce Illinois (“CDI”) and a member of the International Academy of Collaborative Professionals (“IACP”). Kathryn represents clients in family law matters in the collaborative law process, a team based approach to dispute resolution and an alternative to litigation. Kathryn also completed the 40 hour mediation training and certification and is a trained mediator.
Kathryn is a member of the American Bar Association, the Illinois State Bar Association and the Chicago Bar Association. She is also a founding member of the Illinois Chapter of the American Academy for Certified Financial Litigators (AACFL). She is proficient in French and is currently studying Spanish. Kathryn is a former member of the Lookingglass Theatre Associates Board where she was also the Vice President of the Madhatter’s Club and the Co-Chair and Vice President of Membership. Kathryn is also a member of the events committee of the Lilac Tree (a nonprofit organization located in Evanston, Illinois, offering programs, events, support groups, and information sessions to individuals going through the divorce process).
While in law school, Kathryn received a certificate in tax law and focused her studies on family law, taxation, and trust and estate planning. She was a member of the Loyola University Chicago School of Law mediation team and was an associate editor of the Loyola University Chicago International Law Review. Kathryn received the CALI Excellence for the Future Award in appellate advocacy.
Before law school, Kathryn worked for a family law attorney in Wisconsin, and while in law school, she continued her training in matrimonial and family law as a law clerk for Katz & Stefani and another prominent family law firm in Chicago. Kathryn also gained litigation experience in Illinois state court as a judicial extern for the Honorable Donald J. O’Brien, Jr. (retired), Circuit Court of Cook County, Law Division, and in federal immigration court as a legal intern at the United States Department of Homeland Security, Immigration and Customs Enforcement, Office of the Chief Counsel.
Kathryn joined Katz & Stefani in 2012. She was recognized as an Illinois Rising Star by Super Lawyers for the past 8 consecutive years (2014-2021); the designation is limited to less than 2.5% of lawyers who are fewer than 40 years of age or who have been practicing for 10 years or less in the State of Illinois. She was also named an Emerging Lawyer by Leading Lawyers in 2017-2020, was named in the 10 Best Attorneys – Illinois by the American Institute of Family Law Attorneys in 2017 and was named by Best Lawyers in Family Law and Family Law Mediation in 2020.
Super Lawyers, Illinois Rising Star, 2014-2021
Leadings Lawyers, Emerging Lawyer, 2017-2020
Best Lawyers, Family Law and Family Law Mediation, 2020
American Institute of Family Law Attorneys, 10 Best Attorneys – Illinois, 2017
Kathryn McMahon Vivanco is a contributing editor of the “Postnuptial Agreements” Chapter of the Property and Financial Aspects of Dissolution Actions 2019 Edition authored by P. André Katz, published by the Illinois Institute for Continuing Legal Education.
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- Tax Law Panel, Loyola University Chicago School of Law, Business Law Society, March 14, 2017