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Chronic pain
SE

Stephen E. Francis, Ph.D. ABN, FACPN

Board-Certified Clinical Neuropsychologist

Oakland, CA40 years+ yrs9.4

Stephen E. Francis, Ph.D. ABN, FACPN is a Clinical Neuropsychology expert specializing in personal injury and workers' compensation cases. With a career encompassing chronic pain, anxiety, stress-related disorders, PTSD, and traumatic brain injuries, he brings a nuanced understanding of neuropsychological impacts to litigation work. His work centers on investigating symptom validity, assessing neuropsychological functioning, and evaluating the presence of malingering in complex cases. Mr. Francis has been retained in extensive expert witness and consulting engagements across California and Nevada, involving personal injury, workers' compensation, and forensic neuropsychology cases. His Doctor of Philosophy in Clinical Psychology, along with his Board-Certified Clinical Neuropsychologist designation by the American Board of Professional Neuropsychology (ABN), reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving traumatic brain injuries and psychological disorders.

AnxietyStress-related disordersPTSD+3
Maritime
WH

William H. D. Ostara

Incident Investigation – Risk Assessment – Expert Opinion

Gig Harbor, WA1 years+ yrs9.3

William H. D. Ostara is a maritime engineering and risk assessment expert specializing in incident investigation and root-cause failure analysis of shipboard equipment. With a diverse background in marine propulsion, electrical systems, and refrigeration systems, he brings a comprehensive understanding of shipboard culture and organizational psychology to his litigation work. His work centers on investigating engineering failures, assessing vessel operations, and evaluating onboard management best practices. Mr. Ostara has been retained in numerous expert witness and consulting engagements across the United States and the United Kingdom, involving marine engineering casualties, personal negligence, and vessel systems. His Bachelor of Science in Liberal Arts from Excelsior University, along with certifications such as the Certificate in Incident Investigation from Lloyd’s Maritime Academy, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving marine propulsion and electrical systems.

EngineeringIncident InvestigationRisk Assessment+5
Education & Schools
RW

Ray W. Christner

Psy.D., NCSP, ABPP

Hanover, PA30 years+ yrs9.2

Ray W. Christner, Psy.D., NCSP, ABPP is a psychological and neuropsychological assessment expert specializing in forensic assessments and expert witness services in educational, civil, and criminal matters. With a career spanning mental health, education, and professional ethics, he brings a nuanced understanding of psychological evaluations and their implications in legal contexts. His work centers on conducting comprehensive psychological evaluations, assessing competency and risk, and evaluating adherence to professional standards. Mr. Christner has been retained in numerous expert witness and consulting engagements across 43 states, involving cases related to special education, ADA compliance, and professional conduct. His Psy.D. in Clinical Psychology, along with certifications such as the Specialized Board Certification in Behavioral and Cognitive Psychology, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of competency and professional responsibility in disputes involving psychological assessments and educational standards.

PsychologyPsychological and neuropsychological assessmentSpecial education+3
Assessment
AR

Adam R. Bruno

PsyD, LMFT, LEP, ATP

Sherman Oaks, CA20+ years+ yrs9.0

Adam R. Bruno, PsyD, LMFT, LEP, ATP is a psychology and education expert specializing in the assessment, diagnosis, and treatment of psychological disorders and special education needs. With a career spanning mental health and educational psychology, he brings a nuanced understanding of both therapeutic and educational frameworks to his litigation work. His work centers on investigating psychological conditions, assessing educational accommodations, and evaluating whether legal standards in special education have been met. Mr. Bruno has been retained in numerous expert witness and consulting engagements across multiple states, involving cases related to psychological disorders, special education assessments, and custody dynamics. His Doctor of Psychology in Clinical Specialization, along with certifications as a Licensed Marriage and Family Therapist and Certified Assistive Technology Professional, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving psychological and educational matters.

Diagnosis and treatment of autismGender dysphoriaDepression+10
Education & Schools
HM

Howard Marc Knoff, Ph.D.

President, Project ACHIEVE Educational Solutions

Fort Myers, FL47 years+ yrs9.0

Howard Marc Knoff, Ph.D. is a school psychology expert specializing in educational solutions and school improvement. With a career spanning strategic planning, school discipline, and multi-tiered systems of support, he brings a comprehensive framework to litigation work involving educational malpractice and special education disputes. His work centers on investigating IDEA compliance, assessing psychological misdiagnoses, and evaluating whether school safety protocols meet legal standards. Dr. Knoff has been retained in numerous expert witness and consulting engagements nationwide, involving cases such as IDEA and special education procedures, psychological misdiagnoses, and racial discrimination in schools. His Ph.D. in School Psychology from Syracuse University, along with his Nationally Certified School Psychologist designation, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of responsibility in disputes involving educational malpractice and school safety.

PsychologySchool Improvement and Turn-AroundStrategic Planning and Organizational Development+11
Psychology
AC

Alexandra Clarfield, PhD, QME

Licensed Psychologist

Auburn, CA25 years+ yrs8.9

Alexandra Clarfield, PhD, QME is a forensic psychology expert specializing in psychological evaluations and expert witness testimony in cases involving personal injury, employment issues, and psychological malpractice. With a career spanning cognitive-behavioral therapy, trauma, and disability impairment, she brings a nuanced understanding of psychological assessments to her litigation work. Her work centers on investigating psychological malpractice, assessing disability impairment, and evaluating whether workplace harassment has occurred. Ms. Clarfield has been retained in numerous expert witness and consulting engagements across California, involving cases related to workers' compensation, immigration evaluations, and military mental health. Her Ph.D. in Clinical Psychology from Temple University, along with her Psychologist License in California, 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 evaluations and trauma assessments.

Forensic PsychologyCognitive-Behavioral TherapyTrauma
Psychology
TH

Teresa Herrero Taylor

PhD BCBA-D LABA CCTP-II

Fort Myers, FL8.6

Teresa Herrero Taylor, PhD BCBA-D LABA CCTP-II is a psychology and behavior analysis expert specializing in clinical psychology, special education, and psychological trauma. With a career encompassing roles in educational leadership, clinical practice, and behavior analysis, she brings a multifaceted perspective to her litigation work. Her work centers on investigating psychological trauma impacts, assessing behavioral interventions, and evaluating compliance with educational standards. Ms. Taylor has been retained in numerous expert witness and consulting engagements across New Jersey and Florida, involving cases related to special education, psychological trauma, and behavior analysis. Her Ph.D. in Professional Psychology from the University of Pennsylvania, along with certifications such as Board Certified Behavior Analyst – Doctoral and Certified Clinical Trauma Professional II, reinforce her ability to deliver objective, defensible analyses. She is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of responsibility in disputes involving psychological and behavioral assessments.

Education & SchoolsBehavior AnalysisClinical Psychology+1
Psychology
DF

Deanna Foster, Ph.D.

Psychologist and President

Castle Rock, CO30 years+ yrs8.5

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.

Forensic PsychologyPsychological DisordersTrauma+5
Human Factors
GH

Gavin Huntley-Fenner, Ph.D.

VP, Human Factors Practice

Irvine, CA25+ years+ yrs8.3

Gavin Huntley-Fenner, Ph.D. is a human factors and safety expert specializing in risk perception, hazard communications, and decision-making. With a career spanning research, education, and consulting, he brings a multidisciplinary approach to litigation work, integrating cognitive psychology and real-world applications. His work centers on investigating human behavior, assessing safety protocols, and evaluating whether risk communication strategies meet industry standards. Dr. Huntley-Fenner has been retained in numerous expert witness and consulting engagements across the United States, involving consumer electronics, pharmaceuticals, professional products, and medical devices. His Ph.D. in Brain and Cognitive Sciences from the Massachusetts Institute of Technology, along with his role as a Certified Minimum Continuing Legal Education (MCLE) Provider, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving human factors and safety.

SafetyRisk AnalysisCognitive Psychology
Employment and Human Resources
FM

Fred M. Rafilson

Industrial/Organizational Psychologist

Bend, Oregon29 years+ yrs7.6

Fred M. Rafilson, Ph.D. is an Industrial/Organizational Psychology expert specializing in employment discrimination and public safety assessments. With a career spanning employment testing, job analysis, and test validation, he brings a nuanced understanding of assessment processes to litigation work. His work centers on investigating employment testing practices, assessing disparate impact, and evaluating whether public safety hiring standards meet legal and professional guidelines. Dr. Rafilson has been retained in numerous expert witness and consulting engagements across the United States, involving public safety agencies and employment discrimination cases. His Ph.D. in Industrial/Organizational Psychology, along with his extensive experience in test development and validation, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of test validity and fairness in disputes involving employment assessments and public safety hiring practices.

Industrial/Organizational PsychologyPublic Safety Assessments
Psychology
AM

Anne Mary K Montero, PhD, HSPP, CFMHE

Award-Winning Health Psychologist, IUSM Faculty

Westfield, Indiana6.8

Anne Mary K Montero, PhD, HSPP, CFMHE is a health psychology and neuropsychology expert specializing in trauma, stress response, and malpractice litigation. With a career encompassing diverse psychological domains, she brings a nuanced understanding of complex psychological and neuropsychological issues to her litigation work. Her work centers on investigating trauma impacts, assessing stress-related disorders, and evaluating whether malpractice has occurred. Ms. Montero has been retained in numerous expert witness and consulting engagements across the United States, involving cases of personal injury, disability, and patient-provider relationship disputes. Her PhD in Psychology from the University of Wisconsin-Milwaukee, along with her Board-certified HSPP and Forensic Mental Health Evaluator certifications, 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 trauma and stress-related disorders.

Neuropsychology
Wage Loss
KJ

Kenneth J. Manges, Ph.D.

Expert Witness

Cincinnati, Ohio42 years+ yrs6.6

Kenneth J. Manges, Ph.D. is a forensic psychology expert specializing in wage loss, earning capacity, and traumatic brain injury (TBI) litigation. With a career spanning vocational rehabilitation, forensic psychology, and psychological assessment, he brings a multidisciplinary perspective to his litigation work. His work centers on investigating wage loss impacts, assessing earning capacity, and evaluating whether psychological trauma affects competency to stand trial. Mr. Manges has been retained in numerous expert witness and consulting engagements across the United States, involving cases of sexual trauma, wrongful termination, and will contests. His Ph.D. in Psychology from the University of Maryland, along with his Diplomate status with the American Board of Vocational Experts and the American Board of Professional Disability Consultants, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving psychological trauma and vocational impacts.

Earning CapacityTBISexual trauma+9
Forensic Psychology
RH

Rebecca H Loftis, PsyD CCHP-MH

Expert Witness

Dragoon, AZ20 years+ yrs6.3

Rebecca H Loftis, PsyD CCHP-MH is a forensic psychology expert specializing in criminal forensic evaluations and correctional mental healthcare litigation. With a career spanning correctional mental healthcare, psychological autopsy, and psychosexual risk assessment, she brings a nuanced understanding of the psychological impacts of incarceration to her litigation work. Her work centers on investigating correctional suicide, assessing violations of correctional standards, and evaluating whether isolation harm has occurred. Ms. Loftis has been retained in numerous expert witness and consulting engagements across the United States, involving jails, prisons, and correctional healthcare cases. Her PsyD in Clinical Psychology from William James College, along with her Certified Correctional Health Professional- Mental Health certification, reinforce her ability to deliver objective, defensible analyses. She is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of responsibility in disputes involving correctional mental healthcare and related psychological issues.

Psychology
Psychology
AM

Angela M Jourdain (Elsenburg), M.S., LPC, LCDC

Expert Witness

Killeen, Texas10 years+ yrs5.9

Angela M Jourdain (Elsenburg), M.S., LPC, LCDC is a psychology and document examination expert specializing in child abuse, substance abuse, and custody evaluation litigation. With a decade of experience in psychological counseling and forensic document analysis, she brings a trauma-informed perspective to her litigation work. Her work centers on investigating child protective services cases, assessing substance abuse impacts, and evaluating parental rights in complex family disputes. Ms. Jourdain has been retained in numerous expert witness and consulting engagements across various family law and child welfare cases. Her Masters in Psychological Counseling from Texas A&M Central Texas, along with her Licensed Professional Counselor and Licensed Chemical Dependency Counselor certifications, reinforce her ability to deliver objective, defensible analyses. She is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of responsibility in disputes involving guardianship, addiction, and domestic violence.

Document Examination
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