Diane A. Tennies, PhD, LADC, is a Maine psychologist with more than 25 years of experience in forensic psychology. She has conducted hundreds of forensic evaluations and has been qualified as an expert witness in Maine District, Superior, and Probate Courts, as well as the United States District Court for the District of Maine.
Dr. Tennies focuses her practice on forensic consultation in civil, criminal, child protective, and family court matters.
- Review and analysis of psychological and forensic evaluations
- Analysis of forensic interviews in relation to established professional and empirical standards
- Consultation regarding psychological testing, assessment methodology, and interpretation of findings
- Consultation regarding violence, sexual offending, substance use, intimate partner violence, and child maltreatment risk
- Case consultation involving child development, family dynamics, parent-child relationships, and other issues relevant to family litigation
- Litigation consultation, including record review, expert evaluation, examination and cross-examination issues, and expert testimony
Professional Background
Dr. Tennies is licensed in Maine as both a psychologist and alcohol and drug counselor. She has served as a rostered Guardian ad Litem since 1999 and has extensive experience in matters involving chronic family conflict. She previously served as Vice-Chair of the Guardian ad Litem Review Board. She also provides training to psychologists, other mental health professionals, and legal professionals.
Dr. Tennies is a past president of the Maine Psychological Association, currently chairs its Legislative Committee, and has been recognized with Fellow status by MePA.
In addition to her forensic consultation practice, Dr. Tennies provides consultation to Job Corps Health and Wellness programs, including the substance use and mental health wellness programs, through a subcontract with Humanitas, Inc.