Practice areas: Family Law; view more
Licensed in Missouri since: 2001
Education: Saint Louis University School of Law
Selected to Super Lawyers: 2020 - 2025 
Selected to Rising Stars: 2010 - 2011, 2013 - 2015 Call today:
314-449-9800
Virtual Appointments Family Ally
130 S Bemiston AveSuite 608
Saint Louis, MO 63105 Visit website
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
Family LawFocus areas
Adoption, Alimony & Spousal Support, Child Support, Custody & Visitation, Dissolution, Divorce, Domestic Violence, Marital Property, Mediation & Collaborative Law, Name Change, Paternity, Prenuptial Agreements, Same Sex Family Law
- 100% Family Law
First Admitted: 2001, Missouri
Professional Webpage: https://familyally.com/jennifer-r-piper/
Bar / Professional Activity
- St. Louis County Bar Association, Past President, 2011
- Bar Association of Metropolitan St. Louis, Family and Juvenile Law Section – Chair 2023–2024
- American Bar Association
- Collaborative Family Law Association
- The Missouri Bar Association Juvenile Courts and Law Committee, Vice-Chair 2011-2012
- Association of Family and Conciliation Courts (AFCC) – National Member and Missouri Chapter
- Academy of Professional Family Mediators
- St. Louis County Bar Association, President, 2010
- Association of Family and Conciliation Courts, National Member and Missouri Chapter
- St. Louis County Bar Association, President Elect, 2009
- St. Louis County Bar Association, Treasurer, 2008
- St. Louis County Bar Association, Secretary, 2007
- St. Louis County Bar Association, Executive Committee, 2006
- The Theodore McMillian Inns of Court, Barrister, Inaugural class, 2010
- Caring for Kids, Board of Directors, 2010-2013
- St. Louis County Law Library, Board of Directors, 2004-2010
- Women's Lawyers Association
- Bar Association of Metropolitan St. Louis
Verdicts / Settlements (Case Results)
- Ms. Piper has successfully argued in front of the Missouri Appellate Court on several occasions and specifically in the reported case of Brown v. Shannahan, 141 S.W.3d 77 (Mo.App. E.D. 2004). In Brown, Ms. Piper argued, and the Court agreed and established a new holding, that the statute governing relocations of parents and minor children did not apply to cases where the court was making an initial determination of paternity and custody., 2004
Special Licenses / Certifications
- Certified Parent Coordinator
- Certified Mediator, including Family Law
- Certified Guardian Ad Litem
Pro bono / Community Service
- Volunteer in St. Louis County Domestic Violence Court as Guardian Ad Litem.
- Pro Bono services for low income families as a Guardian Ad Litem.
Educational Background
- JD, St. Louis University, School of Law, 2001
- BA Political Science, University of Missouri, 1998
Scholarly Lectures / Writings
- Advanced Family Law Custody: Mediation, Speaker, Advanced Family Law Custody: Mediation, BAMSL, 2025
- Navigating the Role of the Parenting Coordinator, Speaker, Navigating the Role of the Parenting Coordinator, BAMSL, 2025
- Fundamentals of Parenting Coordination, Speaker, Fundamentals of Parenting Coordination, AFCC, 2024
- Parenting Coordination Training, Speaker, Parenting Coordination Training, St. Louis County Circuit Court, 2024
- Advanced Family Law Custody: Ethical Considerations for GALs – Continued Representation in High Conflict Cases , Speaker, Advanced Family Law Custody: Ethical Considerations for GALs – Continued Representation in High Conflict Cases , BAMSL, 2024
- New Case.net Public Access, Redaction Rules, and How They Affect Family Court Filings, Speaker, New Case.net Public Access, Redaction Rules, and How They Affect Family Court Filings, BAMSL, 2023
- Parent Coordinators, Speaker, Parent Coordinators, St. Louis County Bar Association, 2021
- What to Expect and How to Support Your Employee Going through a Divorce or Modification, Speaker, What to Expect and How to Support Your Employee Going through a Divorce or Modification, SHRM, Society Of Human Resource Management, 2019
- Going Solo: How to Start Your Own Law Firm, Speaker, Going Solo: How to Start Your Own Law Firm, 2016
- Veteran’s Benefits in Divorce, Speaker, Veteran’s Benefits in Divorce, 2013
- Divorce Over 50, Speaker, Divorce Over 50, 2014
- Finding and Preserving Electronic Evidence, Admittance and use of Electronic Evidence, Speaker, Finding and Preserving Electronic Evidence, St. Louis County Bar Association, 2010
Other Outstanding Achievements
- Ms. Piper was named President of the St. Louis County Bar Association and is one of the youngest Presidents the Association has ever had, 2010
Honors
- Named to The Best Lawyers in America® in Family Law — 2017–2025, The Best Lawyers in America®
- Family Ally ranked by U.S. News–Best Lawyers® “Best Law Firms” in Family Law, St. Louis — 2021–2025, U.S. News–Best Lawyers®
- Appointed to the Mediation and Parenting Coordinator Committee, St. Louis County Circuit Court — 2022–2025, St. Louis County Circuit Court
- Recognized by St. Louis Small Business Monthly as one of the Best Attorneys in St. Louis — 2020, St. Louis Small Business Monthly, 2020
- Women’s Justice Award, from Missouri Lawyers Weekly 2019, Women’s Justice Award, from Missouri Lawyers Weekly 2019, 2019
- Reinker, Hamilton & Piper, LLC listed with US News and World Reports Best Law Firms in the area of Family Law for the St. Louis Metro Area 2016-2020, Reinker, Hamilton & Piper, LLC listed with US News and World Reports Best Law Firms in the area of Family Law for the St. Louis Metro Area 2016-2019
- Appointed to Special Committee of Missouri Bar Association addressing Juvenile Law and Immigration Issues, Appointed to Special Committee of Missouri Bar Association addressing Juvenile Law and Immigration Issues, 2011
- Missouri Lawyers Weekly, Rising Star Up and Coming Lawyer, 2009
- Martindale-Hubbell AV Preeminent Ranking, Martindale-Hubbell AV Preeminent Ranking
Office location for Jennifer R. Piper
130 S Bemiston Ave
Suite 608
Saint Louis, MO 63105
Phone: 314-449-9800
Selections
- Super Lawyers: 2020 - 2025
- Rising Stars: 2010 - 2011, 2013 - 2015
