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Jennifer R. Piper
About Jennifer
Biography
Ms. Piper has practiced law in the St. Louis County Metropolitan area where she has exclusively handled family law matters for over 20 years. Ms. Piper currently serves as the Chair of the Family and Juvenile Law Section for the Bar Association of Metropolitan St. Louis and the Parenting Coordination and Mediation Committee for the St. Louis County Circuit Court.
She is a member of the Missouri Bar Association. As an attorney, Jennifer has been distinguished by Missouri Lawyers Weekly as a Rising Star, Up and Coming Lawyer; she has been named to The Best Lawyers in America® 2017-2023 in the practice area of Family Law. Ms. Piper also recently received a Woman’s Justice Award from Missouri Lawyers Weekly in 2019 and recognized by Missouri Super Lawyers for 2021-2023.
As a member and Past President of The St. Louis County Bar Association, Ms. Piper is still actively involved in the organization and helps organize Continuing Legal Education Seminars. Jennifer previously served as a member of the 2010 and 2011 inaugural class of Barristers in The Theodore McMillian American Inn of Court.
Ms. Piper was appointed and served on a special committee of the Missouri Bar Association dealing with issues involving juvenile cases and immigration. Ms. Piper was appointed by St. Louis County Circuit Court, Judge Burton to serve on a special committee to improve the Family Court of St. Louis County that developed and implemented new local rules and procedures. Ms. Piper served on the Board of Directors for Caring for Kids, an organization developed and designed to provide essential resources to meet the urgent needs of children in foster care in St. Louis County. Certified as a Guardian Ad Litem, Ms. Piper is regularly appointed to represent and protect children by Judges and Commissioners in St. Louis County and St. Louis City. Ms. Piper volunteers as a Guardian Ad Litem for the St. Louis County Domestic Violence Court Docket. Ms. Piper is certified as a Mediator for civil and family law matters. Ms. Piper is also a certified Parenting Coordinator and is regularly appointed by the Court to assist families with the most difficult custody matters.
Practice Areas
7
Practice Areas
Divorce and Separation
20%
26 years
Family
20%
26 years
Mediation
20%
15 years
Adoption
10%
26 years
Fees and Rates
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Chat withLicenses
Licensed in Missouri for 24 years
State: Missouri
Acquired: 2001
No misconduct found
Licensed in Illinois for 23 years
State: Illinois
Acquired: 2002
No misconduct found
Location
Family Ally
130 S. Bemiston, Suite 608, Saint Louis, MO, 63105
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Jennifer R. Piper's Reviews
Avvo Review Score
35 Client Reviews
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Practice Areas
Showing 1 - 5 of 35 reviews
Posted by Carolyn | July 20, 2025 | Hired Attorney | Divorce & Separation
Recommend Jennifer Piper and Alison Lappe for Divorce Assistance
Jennifer Piper and Alison Lappe at the Family Ally law firm were instrumental in completing the divorce process in my situation, which required a lawyer to submit the settlement documents after the mediation process in St. Louis County, MO. Jennifer and Alison were both excellent communicators and ve...
Posted by Jeffrey M | May 09, 2024 | Hired Attorney
Thank you Jennifer!
Jennifer is an outstanding lawyer and person! Everyone at Family Ally were professional, yet down to earth which helped me get through a difficult time. Jennifer is the best!!
Posted by Marcie | November 10, 2022 | Hired Attorney | Divorce & Separation
Very pleased
Jennifer represented me for my divorce and again for a modification. I reside in St. Louis County. Talking to her from my first initial phone call to our last conversation was powerful and thorough. What I liked about Jennifer was the honest advice and suggestions made throughout one of life’s harde...
Posted by James | November 08, 2022 | Hired Attorney | Child Custody
I am glad I chose Jennifer to represent me
Due to some life changes, it was time to address my custody agreement that had been broadly written at the time of my divorce. I knew I had a find a lawyer who could represent me and get me what I wanted. I found Family Ally via a search engine and after our initial consultation, knew that Jennifer s...
Posted by Daniel | November 07, 2022 | Hired Attorney | Domestic Violence
Awesome
I hired Family Ally (Jennifer Piper) to represent me with an order of protection, in St Louis County in Clayton. They did a Wonderful job, such friendly staff ( Allison Lappe ), everyone involved were helpful with any questions, helping me to understand everything, with fast efficiency no matter the ...
Jennifer R. Piper's Lawyer Endorsements
"Jennifer is a highly experienced family law attorney. She is a strong knowledge of the law and is very professional."
"I endorse this lawyer."
"Jennifer is an excellent attorney. She is very knowledgeable and a conscientious and skilled advocate for her client."
"Ms. Piper is very well regarded by the legal community and very skilled at representing her clients. I endorse this lawyer."
"I have had the pleasure of working with Jennifer several times representing opposing parties. She is hard working, bright, and professional and is well respected in the legal community."
"I endorse this lawyer. Jennifer is extremely knowledgeable about all aspects of family law from high asset divorces to high conflict child custody cases, Jennifer plans her work and works her plan. She is highly respected in the legal community and with good reason."
"I endorse this lawyer. Jennifer is always well prepared and a pleasure to work with."
"I endorse this lawyer."
"I endorse this lawyer."
"I endorse this lawyer."
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"I endorse this lawyer. I have worked with Jennifer when she has been appointed Guardian ad Litem on my cases. She is a fantastic guardian and is very accessible to the parties."
Heather Hamilton
Family lawyer
Sally Rajnoha
Family lawyer
Leigh Carson
Family lawyer
Sylvia Pociask
Family lawyer
Robert Hamilton
Family lawyer
Erin Sievers
Family lawyer
Brenda Stacey
Child custody lawyer
Margaret Murphy
Family lawyer
Experience
Honors
2025
Super Lawyer, Super Lawyers
2024
Super Lawyer, Super Lawyers
2023
Super Lawyer, Super Lawyers
2022
Super Lawyer, Super Lawyers
2021
Super Lawyer, Super Lawyers
2021
Named to Best Lawyers Family Law, St. Louis, Best Lawyers in America
2021
Named to Best Law Firms, Family Law, St. Louis, US News & World Reports Best Law Firms
2020
Super Lawyer, Super Lawyers
2020
Missouri Super Lawyers, Missouri & Kansas Super Lawyers Magazine
2020
Named to Best Lawyers Family Law, St. Louis, Best Lawyers in America
2020
Named to Best Law Firms, Family Law, St. Louis, US News & World Reports Best Law Firms
2019
Named to Best Lawyers Family Law, St. Louis, Best Lawyers in America
2019
Women's Justice Award, Missouri Lawyers Weekly
2019
Named to Best Law Firms, Family Law, St. Louis, US News & World Reports Best Law Firms
2018
Named to Best Law Firms, Family Law, St. Louis, US News & World Reports Best Law Firms
2018
Named to Best Lawyers Family Law, St. Louis, Best Lawyers in America
2017
AV Preeminent Rated, Martindale-Hubbell
2017
Named to Best Law Firms, Family Law, St. Louis, US News & World Reports Best Law Firms
2017
Named to Best Lawyers Family Law, St. Louis, Best Lawyers in America
2016
Named to Best Law Firms, Family Law, St. Louis, US News & World Reports Best Law Firms
2015
Rising Star, Missouri Super Lawyers
2014
AV Rated, Martindale-Hubbell
2014
Rising Star, Missouri Super Lawyers
2013
Rising Star, Missouri Super Lawyers
2011
Rising Star, Missouri Super Lawyers
2010
Rising Star, Missouri Super Lawyers
2009
Up and Coming Lawyer, Missouri Lawyers Weekly
Work Experience
2020 - Present
Attorney, Family Ally, LLC
2013 - 2019
Attorney at Law, Reinker, Hamilton & Piper LLC
2001 - 2013
Attorney at Law, Kruse, Reinker, & Hamilton LLC
Associations
Missouri Bar
Member
Illinois State Bar Association
Member
St. Louis County Bar Association
President
Sample of Legal Cases
Brown v. Shannahan, 141 S.W.3d 77 (Mo.App. E.D. 2004)
Appeal won; new holding established
Education
2001
Saint Louis University School of Law
JD - Juris Doctor
1998
University of Missouri, Columbia
BA - Bachelor of Arts
Speaking Engagements
2021
Full Day Domestic and Guardian Ad Litem CLE
Parent Coordinators
2019
Annual Legal Update - Society of Human Resource Management
What to Expect and How to Support Your Employee Going through a Divorce or Modification
2016
Going Solo: How to Start a Law Firm
Going Solo: How to Start a Law Firm
2014
Divorce Over 50
Divorce over 50
2013
Veterans Benefits In Divorce
Veterans Benefits in Divorce
2010
Finding and Preserving Electronic Evidence
Electronic Evidence
Languages
English