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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
Showing 1 - 5 of 12 client reviews from Avvo
Posted by Ruben | March 26, 2023 | Hired Attorney
As one of Kellen's clients, I can attest to his unparalleled legal expertise and dedication to his clients' causes. Kellen possesses a unique combination of creativity, intelligence, and compassion, which allows him to approach every case with a fresh perspective and develop innovative solutions. ...
Posted by Marisol | November 17, 2022 | Hired Attorney
My husband and I couldn’t be happier with Mr.O’brien’s services & help with our step parent adoption process . He made us feel confident that we had the right team by our side for this process and now I couldn’t agree more . Mr.O’Brien is very dedicated to his clients and work . He made what we thoug...
Posted by Melisa | September 8, 2022 | Hired Attorney
Divorce is never easy, but rest assured, with Kellen you will be in good hands. From the very first call, to the very end, Kellen made himself available for me and was very thorough. He took the time to make sure I understood what was happening and had a great way of explaining things. He is extremel...
Posted by Patricia | December 15, 2021 | Hired Attorney
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 Eowyn | January 14, 2021 | Hired Attorney
I hired Attorney O'brien to handle a highly contested property line dispute. Prior to hiring Attorney O'brien I had consulted multiple other attorneys that I did not feel confident in hiring. Attorney O'brien is everything that you would want to have as an attorney. He is knowledgeable, articulate...
"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."
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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