An Experienced, Effective Expert Witness
More Than 100 Trials
Deena McMahon, LICSW, MSW, has served as an expert witness in more than 100 trials. She provides expert testimony regarding the forensic assessments she prepares. Out of the scores of trials she has participated in, her client has lost only one.
"My objectivity has earned me a high degree of respect and credibility throughout the state."
—Deena McMahon
She has been an expert witness in criminal and family court trials involving a variety of subjects, including:
- Child abuse
- Termination of parent rights
- Parental alienation
- Child custody disputes
- Contested placements
- Impact of domestic violence on the welfare of children
- Impact of trauma and neglect on child development
An Authoritative Source
Attorneys from around the state have retained Ms. McMahon as an expert witness in the child welfare arena. She is an articulate and authoritative witness who responds to tough questioning with knowledge, skill and confidence. Part of her role is to educate the stakeholders, including the attorneys, judge and jury.
Her reputation as an expert witness is enhanced by the fact that she has provided trainings and educational presentations to social workers, therapists, parents, police, attorneys and judges about child welfare issues.
An Integral Member of the Legal Team
Not just a mental health expert, Ms. McMahon is often regarded as an integral member of the legal team who helps develop the case for trial.
If you are seeking a respected expert witness with a winning reputation, please contact Deena McMahon and McMahon Counseling and Consultation Services.



