Jennifer R. Piper

Headshot of Jennifer R. Piper.


Lawyer, Speaker, & Owner of Family Ally

130 S. Bemiston Ave
Suite 608
St. Louis,  Mo  63105

About Jennifer

Jennifer R. Piper attended the University of Missouri-Columbia where she earned a B.A. in political science, she then went on to receive her law degree from Saint Louis University School of Law.

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.

Bar Admissions

  • Missouri, 2001
  • U.S. District Court Eastern District of Missouri, 2001
  • Illinois, 2002 (currently inactive)


Ms. Piper served as a member of the 2010 and 2011 inaugural class of Barristers in The Theodore McMillian American Inn of Court. 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 and events. 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.

Honors & Awards

  • Family Ally has been ranked by U.S. News- Best Lawyers® “Best Law Firms” list in Family Law, St. Louis 2021-2023
  • Named to The Best Lawyers in America® 2017-2023 in the practice area of Family Law
  • Selected to Missouri Super Lawyers 2021-2023
  • Recognized by St Louis Small Business Monthly as one of the Best Attorneys in St. Louis for 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 2016-2020
  • Women’s Justice Award, from Missouri Lawyers Weekly 2019
  • Named Up and Coming Lawyer from Missouri Super Lawyers, 2010, 2011, 2013, 2014, 2015
  • Appointed to Special Committee of Missouri Bar Association addressing Juvenile Law and Immigration Issues, 2011
  • Named Up and Coming Lawyer from Missouri Lawyers Weekly, 2009
  • Appointed to Special Committee of St. Louis County addressing the Family Court rules and procedures
  • Martindale-Hubbell AV Preeminent Ranking

Speaking Engagements

  • New Case Net Public Access, Redaction Rules, and How They Affect Family Court Filings, 2023
  • Full Day Domestic and Guardian Ad Litem CLE, Parent Coordinators, 2021
  • Society of Human Resource Management: What to Expect and How to Support Your Employee Going through a Divorce or Modification, 2019
  • Going Solo: How to Start Your Own Law Firm, 2016
  • Divorce over 50, 2014
  • Veteran’s Benefits in Divorce, 2013
  • Finding and Preserving Electronic Evidence, 2010

Professional Associations and Memberships

  • Bar Association of Metropolitan St. Louis, Family and Juvenile Law Section, Chair 2023-2024
  • Bar Association of Metropolitan St. Louis, Family and Juvenile Law Section, Chair Elect 2022-2023
  • Caring For Kids, Board of Directors 2010-2013
  • The Missouri Bar Association Juvenile Courts and Law Committee, Vice-Chair 2011-2012
  • St. Louis County Law Library, Board of Directors, 2004 – 2010
  • The Theodore McMillian Inns of Court, Barrister, Inaugural class 2010
  • St. Louis County Bar Association, President, 2010
  • St. Louis County Bar Association, Executive Committee, 2003 – 2006
  • The Missouri Bar Association
  • St. Louis County Bar Association, Past President
  • Association of Family and Conciliation Courts, National Member and Missouri Chapter
  • St. Louis Collaborative Family Law Association
  • Association of Missouri Mediators
  • International Academy of Collaborative Professionals
  • Amicable Divorce Network
  • St. Louis Survivors Legal Services (SLSLS), Board Member & Chair of Attorney Volunteer Recruitment and Training Committee