About Us

Thank you for your interested in our law firm. Trenna S. Parker Law Office, P.C. is a Hamilton County based law firm representing clients in a number of litigation and non-litigation areas including:  Adoption, Appeals, Child in Need of Services, Civil Litigation, Criminal Law, Guardianships, Juvenile Delinquency, Domestic Relations Mediation and Family law including:  Divorce, Paternity, Custody, Child Support, and Visitation. Trenna Parker and Marsha Hackenberg have over 30 years of combined experience. 




Our Team

Trenna S. Parker

Domestic Relations Mediator
and Parenting Coordinator

Marsha L. Hackenberg

Domestic Relations Mediator
Guardian Ad Litem

Jennifer Matteucci

Office Manager

Our Story: Since 2001

In 2001 Trenna Parker formed Trenna S. Parker Law Office. Since that time Trenna has become a Guardian Ad Litem, registered Domestic Relations/Child Informed Mediator, and Parenting Coordinator. In 2018 Marsha Hackenberg joined our law office and became a registered Domestic Relations Mediator. 

Our Mission & Vision

Our mission is to take a genuine interest in our clients, understand their objectives, and meet or exceed their expectations. For our clients, we will work hard, provide high quality legal services on a timely, effective, and efficient basis. We encourage team work, open communication and respect with our staff and clients.


We Care

A friend from Law School once said “I don’t know why they call it Family Law, there’s nothing family about it” This statement is very much the truth. At Trenna S. Parker Law Office we understand the situations are client’s are going through. From dealing with conflict to finalizing an adoption we are focused on the needs of our clients. We are committed to reaching a equitable and fair resolution of our client’s issues. The olive branch is a symbol of peace and victory which is why we include it in our logo.