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I have been practicing law since 2014 and my family law practice encompasses divorce, child support, custody, guardianship, visitation, paternity, and CHIPs cases. I represent clients in Milwaukee, Waukesha, and across southeastern Wisconsin. I strive to help every client understand and navigate the legal process whiles using creative approaches to get results and have achieved numerous successful results at trial and mediation. I am licensed to practice law in the State of Wisconsin and Eastern District of the United States District Court. Click on the link to my firm profile and find out how I can help you.
I will be with you every step of the way!
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$0 first 30 minutes
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Chat withState: Wisconsin
Acquired: 2015
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1011 N. Mayfair Rd. Suite 203, Wauwatosa, WI, 53226
12 Client Reviews
Showing 1 - 4 of 4 reviews | Advocacy
Posted by Patricia | December 15, 2021 | Hired Attorney | Divorce & Separation
THIS MAN SAVED MY LIFE
Kellen O’Brien I'm so happy I chose you as my attorney, I can truly say that you saved my life. My divorce was final today and even though it was a rough journey you made it a lot easier. You put me in my place respectfully, I need it. I can't say enough about how he made sure my divorce agreemen...
Posted by Karl | September 24, 2020 | Hired Attorney | Child Support
Attorney O'Brien Reveiw
I had an ongoing placement and child support dispute with my son's Mother, and I finally decided that I needed to hire an attorney. After discussing my case with other attorneys, I decided to hire Attorney O'Brien. I was impressed that Kellen, (a former schoolteacher), took the time to listen to my c...
Posted by Jill | August 14, 2020 | Hired Attorney | Child Custody
Highly recommend!
Kellen represented me in a highly contested custody battle. Through out the long, stressful process Kellen remained focused, thoughtful, realistic and tough. Whenever a decision needed to be made, Kellen made sure I fully understood what my options were and what the pros and cons of each of those opt...
Posted by Kristina | August 04, 2020 | Hired Attorney | Family
Excellent Lawyer for paternity case
Kellen is an excellent lawyer. He went above and beyond for me and my daughter. I could feel that he genuinely cared for my case and the well being of my whole family. It was more than just a paycheck for him he actually cared about me and was constantly supporting me. He looked out for my best inter...
"Individuals in need of representation in a family matter are assured of quality representation from Attorney O'Brien. HIs knowledge of the law and assessment of each case is top notch."
"Kellen is very knowledgeable, thorough and articulate. He is well respected in the legal community and is hardworking and zealous in representing his clients. Highly endorse."
"I worked previously worked with Attorney O'Brien at the same law firm. I would recommend him to anyone seeking a knowledgeable, diligent advocate in the field of divorce and family law. His friendly, personable style also makes him an easy person to work with."
"Attorney O'Brien is a knowledgeable attorney who is well-respected in the family law community. He advocates zealously for his clients and is a pleasure to work with on a professional level."
"I endorse this lawyer. I have worked with Kellen for close to one year so I have gotten to see him in both court and the office. Kellen is very knowledgeable , diligent, and hard working. A great advocate and a very empathetic counsel to clients who are going through the most difficult situations."
"I endorse this lawyer. Kellen is very approachable, diligent, and hard working. A great advocate for his clients."
"Kellen has been employed by my office since August, 2019. He is very enthusiastic in his representation of his clients. He is very thorough in his research and knowledge of the law. I am constantly hearing his praises from my clients with whom he has worked. He is very assertive, when necessary, but also willing to negotiate when it is in the client's best interests."
Unknown lawyer
Unknown lawyer
2021
Top 10 Family Law, America's Best
2020
Best Family Lawyer in Milwaukee, Expertise
2013
Most Outstanding Student Note, Journal on Telecommunications and High Technology Law
2019 - Present
Attorney, Jane Probst Law
2018 - 2019
Associate, Madden Law Group
2014 - 2014
Clerk, Wisconsin Court Of Appeals
2014 - 2014
Law Clerk, Milwaukee County Circuit Court
2018 - 2019
Dodge County Bar AssociationPast President
2016 - 2017
James E. Doyle American Inn of CourtFellow
2014
JD - Juris Doctor
2004
BA - Bachelor of Arts
2019
Dodge County Bar Association Annual Board Meeting 2019
2018
Dodge County Bar Association Annual Board Meeting 2018
2017
Hosted Constitutional Convention Proposal
2017
Hosted/Presented Excessive Force pertaining to Police
2014
English
Legal Answers
I want to modify child support order and visits.
03 Oct 2021
What form is used for grandparents visitation rights?
22 Sep 2020
Can i move out of state with my son?
23 Sep 2020