Deanna Foster, Ph.D.

Deanna Foster, Ph.D. is a forensic psychology expert specializing in psychological evaluations and trauma-related litigation. With extensive experience in assessing psychological disorders and organizational dynamics, she brings a nuanced understanding of psychological impacts in legal contexts. Her work centers on investigating psychological conditions, assessing trauma-related claims, and evaluating whether psychological factors influence legal outcomes.

Dr. Foster has been retained in numerous expert witness and consulting engagements across the United States, involving civil litigation matters such as employment disputes, psychological injury claims, and organizational assessments. Her Doctorate in Psychology from the University of Southern California, along with certifications such as the Certified Clinical Trauma Professional (CCTP), reinforce her ability to deliver objective, defensible analyses. She is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving psychological disorders and trauma.