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Jennifer R. Piper
About Jennifer
Biography
Jennifer R. Piper is a St. Louis family law attorney with over 25 years of experience exclusively handling family law matters, recognized nationally and locally as one of the region’s premier practitioners. She is consistently named to The Best Lawyers in America® in the practice area of Family Law (2017–2025), to Missouri Super Lawyers (2021–2025), and she holds a Martindale-Hubbell AV Preeminent Rating — the highest peer-review rating available.
Ms. Piper earned her B.A. in Political Science from the University of Missouri–Columbia and her J.D. from Saint Louis University School of Law. She has been distinguished by Missouri Lawyers Weekly as a Rising Star and Up and Coming Lawyer, and she received the Women’s Justice Award from Missouri Lawyers Weekly in 2019.
Ms. Piper served as Chair of the Family and Juvenile Law Section of the Bar Association of Metropolitan St. Louis for 2023 and 2024 and currently serves as a member of the Parenting Coordination and Mediation Committee for the St. Louis County Circuit Court. As a Past President of the St. Louis County Bar Association, she remains actively involved in the organization and assists in organizing continuing legal education seminars. She previously served as a member of the inaugural 2010–2011 class of Barristers in The Theodore McMillian American Inn of Court.
Ms. Piper has been appointed to serve on a special committee of the Missouri Bar Association addressing juvenile cases and immigration issues, and on a special committee dedicated to improving the Family Court of St. Louis County, which developed and implemented new local rules and procedures.
Certified as a Guardian Ad Litem, Ms. Piper is regularly appointed by Judges and Commissioners in St. Louis County and St. Louis City to represent and protect children, including volunteer service on the St. Louis County Domestic Violence Court Docket. She is also a certified Mediator for civil and family law matters and a certified Parenting Coordinator, regularly appointed by the Court to assist families navigating the most difficult custody matters. Ms. Piper is committed to guiding families through difficult transitions with clarity, advocacy, and a steadfast focus on the best interests of children.
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 6 - 7 of 7 reviews | Child Custody
Posted by Michelle | June 19, 2014 | Child Custody
Trustworthy and Knowledgable!
Jennifer handled my divorce in a very professional manner. I was impressed with her knowledge of the law. Throughout the case, she took the time to make me feel comfortable and gave me courage to face this situation. From the very beginning she made me feel both my children and my interests w...
Posted by Nicole | June 15, 2014 | Child Custody
Knowledgeable and Professional!
Jennifer handled my divorce with the utmost professionalism. She was very organized and attentive. She made herself very available and always responded to my correspondence in a timely manner. Her knowledge of the law and experience with representing children made me feel very comfortable througho...
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."
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Experience
Honors
2025
Named to Best Lawyers Family Law, St. Louis, Best Lawyers in America
2025
Super Lawyer, Super Lawyers
2024
Named to Best Lawyers Family Law, St. Louis, Best Lawyers in America
2024
Super Lawyer, Super Lawyers
2023
Named to Best Lawyers Family Law, St. Louis, Best Attorneys in America
2023
Super Lawyer, Super Lawyers
2022
Named to Best Lawyers Family Law, St. Louis, Best Lawyers in America
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
Women's Justice Award, Missouri Lawyers Weekly
2019
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
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
2025 - Present
American Bar AssociationMember
2024 - Present
Academy of Professional Family MediatorsMember
2017 - Present
Association of Family and Conciliation Courts (AFCC)Member
2001 - Present
Bar Association of Metropolitan St. LouisFamily and Juvenile Law Section – Chair (23-24)
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
2025
Navigating the Role of the Parenting Coordinator
Navigating the Role of the Parenting Coordinator
2025
Advanced Family Law Custody
Mediation
2024
Parenting Coordination Training
Parenting Coordination Training
2024
Fundamentals of Parenting Coordination
Fundamentals of Parenting Coordination
2024
Advanced Family Law Custody
Ethical Considerations for GALs – Continued Representation in High Conflict Cases
2023
New Case.net Public Access, Redaction Rules, and How They Affect Family Court Filings
New Case.net Public Access, Redaction Rules, and How They Affect Family Court Filings
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
Publications
2025
St. Louis Lawyer
The Role of the Parenting Coordinator
2021
St. Louis Lawyer
Now More Than Ever, Be Kind
Languages
English