ALL ATTORNEYS

Professional Profile // Senior Counsel
Mary C. Neff

Professional Connectivity

P: (314) 454-9100 Ext. 109

E: mneff@aegisps.com

Attorney // Family Law & Mediation

Mary C. Neff.

“Mary is a veteran advocate and licensed mediator who combines sophisticated legal strategy with deep expertise in child development to resolve complex family disputes with precision and empathy.”

Strategic Practice Areas

Family Law LitigationSophisticated management of divorce, custody, and post-dissolution matters with a focus on long-term family stability.
Mediation & ResolutionGuiding families through low-conflict resolution strategies that save time, resources, and protect the well-being of children.

Professional Experience [−]
Veteran Stewardship in Family Advocacy

Mary Neff is a highly sought-after family law attorney, litigator, and mediator with extensive experience helping families navigate their most difficult transitions. Her practice covers the full spectrum of family law, including divorce, mediation, litigation, custody, visitation, paternity, modifications, and post-dissolution matters. Mary’s approach is defined by her ability to provide practical, results-oriented stewardship while maintaining a focus on the human element of every case.

With a robust academic background in child development and parent education, Mary is uniquely qualified to represent families during high-pressure disputes. She is passionate about helping couples design divorce strategies that meet their individual needs while protecting the family unit as a whole. Mary believes that low-conflict resolution through mediation not only saves time and financial resources but, most importantly, helps protect the emotional well-being of the children involved.

Advanced Credentials & Public Service

Mary is a licensed mediator approved by the Supreme Court of Missouri and the Supreme Court of Illinois. In addition to her private practice at AEGIS Law, she serves as an Assistant State’s Attorney in Monroe County, Illinois, where she works part-time. This dual perspective in both private and public sectors enhances her ability to deliver tactical certainty for her clients.

Academic Foundation & Community Engagement

Educational Excellence:
Mary earned her Juris Doctorate from St. Louis University School of Law. She also holds a Master of Science degree in Family Sciences from Illinois State University (ISU) and a Bachelor of Science in Speech Pathology from ISU.

Active in the professional community, Mary is a member of the Association of Missouri Mediators and the American Bar Association. She also contributes her time to the Valmeyer Music Hall of Fame Committee and the American Legion Women’s Auxiliary.

Next Steps

Engage Professional Stewardship.

“Tactical alignment begins with a direct professional connection.”

 

Next Steps

Engage Senior-Led Counsel.

“Tactical alignment begins with a direct professional connection.”