Kathryn McMahon Vivanco

Kathryn McMahon Vivanco
222 N. LaSalle Street, Suite 2150
Chicago, IL 60601
Office Phone:
About Me:

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 the Collaborative Law Institute of Illinois (“CLII”) 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 member of the Lookingglass Theatre Associates Board and is the former Vice President of the Madhatter’s Club and former 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 7 consecutive years (2014-2020); 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 2017-2019 and was named in the 10 Best Attorneys – Illinois by the American Institute of Family Law Attorneys in 2017.

Professional Credentials/Certifications:
Collaborative Law Institute of Illinois (CLII), Collaborative Law Basic Training, 2019
Center for Conflict Resolution, Mediation Skills Training Certificate, 2019
University of Wisconsin, B.A. with distinction, Political Science, International Studies, French, 2007
L’Université Paul Cézanne: L’Institut d’Etudes Politiques (Aix-en-Provence, France), Political Science Diploma, 2007
Loyola University Chicago School of Law, J.D., Certificate in Tax Law, cum laude, 2012
5-10 Years
Virtual Capability:
Military Veteran:
Hourly Rate:
Languages Spoken:
Other Specialties:
High Conflict, Multi-State Issues, Non-Marital Couples, Non-US Citizens, Same Sex Couples, Second Marriages, Substance Abuse Issues

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