Psychology (General) Consultants: 15

Brent Coker, PhD, is an Online Consumer Psychologist, researcher, and lecturer of Marketing at the University of Melbourne. He has a PhD in Electronic Commerce (“Predicting Internet Purchase Intention”). 

For the past decade, Dr. Coker has been researching why ideas spread, and what causes people to share. In 2011, he developed the 'bump' algorithm that predicts the spread of memes and video ads, and a few years later, wrote a book to summarize what he learned about Viral Marketing. The WH Smith Heathrow chart topping book, Going Viral is the culmination of a seven year study on the psychology of building a strong brand and customer engagement. For more information, view his Masterclass on Viral Marketing – “ "Virology".“

Dr. Coker founded the dot-com “Fernland” in 1998, and is currently founding director of Deloosh. – a technology and market research company. He is also inventor of the web analytics tool “webreep” Webreep Model,) which was the first web app to detect and measure website dissatisfaction, and more recently the founder of Wear Cape, – an influencer marketing agency. 

Keynotes and Public Speaking - Dr. Coker has been serving as a keynote speaker for years. He has delivered speeches to  such as entities as NASA, IBM, CPA Australia, and Oticon, and Qantas on subject including word of mouth, viral marketing, and online branding.

Dr. Brent Coker on Stage

View Dr. Brent Coker's Expert Witness Profile.

Suzanne Dupée. MD is a triple-board certified Child, Adolescent, and Forensic Psychiatrist practicing in Manhattan Beach in Los Angeles County, Southern California.  She specializes in a wide range of psychiatric services for children, adolescents, adults and families.

Dr  Dupée completed her general psychiatric residency at Cedars Sinai Medical Center in Los Angeles.  She furthered her training by studying Child & Adolescent Psychiatry at the University of California, San Diego.  She then moved to New York City to complete a Forensic Psychiatric Fellowship at New York University.

In private practice in Los Angeles since 2002, Dr. Dupée's practice includes treating children, adolescents and adults for Medication Management.  She specializes in the diagnosis and treatment of Attention Deficit, Hyperactivity Disorder, Depression, Anxiety, and other Psychiatric Conditions in children, adolescents and adults. 

Dr. Dupée is invited to speak to at presentations and trainings for mental health and legal professionals.  Her Manhattan Beach office is located one block from the beach and one block from the pier in beautiful Manhattan Beach, CA.  Her office provides a warm, comfortable, child-friendly relaxing atmosphere for her patients and evaluees.

Dr. Dupée is currently authoring several chapters in the seminal forensic psychiatric textbook, Principles and Practice of Forensic Psychiatry.  Dr. Dupée taught forensic psychiatry trainees at UCLA for over 10 years until the Forensic Psychiatry program ended.  She is an Associate Clinical Professor at the University of California, Irvine where she trains forensic psychiatry trainees.

View Dr. Dupée's Expert Witness Profile.

Sanjay Adhia, MD, MRO, is triple-Board-Certified in Psychiatry, Brain Injury Medicine and Forensic Psychiatry. In addition to forensic/expert witness practice, Dr. Adhia has provided patient care in the Houston area. Currently, he is a neuropsychiatrist at Memorial Herman TIRR where he treats those with brain injury, stroke, and other neurological injuries. His forensic practice focuses on the psychiatric impact of personal injury, medical malpractice, drug and alcohol abuse, sexual abuse, competency, violence, and complicating mental illness, as well as psychiatric disability. 

Dr. Adhia is among one of the few Forensic Psychiatrists who is also Board-Certified in Brain Injury Medicine. Often, Traumatic Brain Injury (TBI) can be a major factor in litigation as it can result in psychiatric or neurocognitive impairments. He has expertise in psychopharmacology, the medicine of medication. 

In addition, Dr. Adhia works with Physicians for Human Rights to assess victims of kidnapping and false imprisonment, human trafficking, undue influence, physical and sexual abuse, rape, and fear of imminent death. In all populations, he assesses PTSD, Anxiety, Depressive Disorders, risk of suicide, and malingering. He is experienced in the treatment and impact of drug and alcohol abuse on decision-making. Dr. Adhia has also treated severe psychosis (Schizophrenia, hallucinations) and psychopathology. Dr. Adhia was formerly treating patients at a Maximum Security Prison and prison psychiatric hospital. He has treated Opioid Use Disorders. 

Dr. Adhia’s findings consider complicating factors, such as emotional distress worsened by other active physical and mental conditions. Other factors are pre-existing mental and physical illness, competency and capacity (e.g. dementia, Intellectual Disability.) As a physician, Dr. Adhia is uniquely qualified to review medical records and doctor reports. Institutional medicine, medical malpractice, and standard of care apply to both public and private facilities, including government, regulated correctional institutions, and psychiatric hospitals. Dr. Adhia is skilled in these med-legal issues. He conducts Independent Medical Examinations, review of records, and reports his med-legal findings and opinions. He is available to testify in civil, criminal, probate, Federal, Immigration, military, and administrative jurisdictions.

Research & Planning Consultants, LP (RPC) has been assisting clients with expert services for over 45 years, including consulting and expert witness testimony for personal injury, healthcare litigation, commercial litigation and Certificate of Need matters. RPC also offers a wide selection of health data. They have served clients across the U.S, from Alaska to Florida and from New England to California. 

A Complete Team of Damages Experts for Personal Injury Litigation

Research & Planning Consultants, LP provides the following services: 

• PERSONAL INJURY - RPC provides comprehensive damages analysis in personal injury litigation. Their expert team has life care planners, vocational evaluators, board-certified physicians, economists and neuropsychologists. 

Areas of Expertise include: Life Care Plans, Loss of Earning Capacity or Support, Present Value of Damages, Medical Bill Analysis, Chargemaster Analysis, Neuropsychological Testing & Traumatic Brain Injury, Vocational Evaluations, IMEs, Section 18.001, Prestanding ED Chargemaster Analysis

• COMMERCIAL LITIGATION- RPC has provided expert analysis on commercial litigation concerning many industries: chemicals, refining, forestry, waste management, pipelines, water resources, oil and gas EDP, fisheries, agriculture, electrical generating plants, transmission lines, telecommunications, and real estate development. Our special expertise in the healthcare industry has proven valuable to business litigators unfamiliar with this complex industry.

Areas of Expertise: Breach of Contract / Commercial Economic Damages, Construction Disputes, Litigation over Non-Competitive Agreements, Environmental Torts and Toxic Torts, Commercial Disparagement, Wrongful Termination

• HEALTHCARE LITIGATION - RPC offers economic, statistical, data and clinical analysis in a wide range of healthcare litigation. They have experience with payment disputes, qui tam litigation, physician-hospital disputes, practice valuations and construction litigation. 

Areas of Expertise: Qui Tam Healthcare Litigation, Medical Staff Disputes, Professional Liability, Payment Disputes, Health Facility Construction Disputes, Freestanding ED Chargemester Analysis

• CERTIFICATE OF NEED - RPC provides Certificate of Need (CON) planning services nationwide. We have over 35 years of experience developing regulatory strategy, preparing applications and testifying in public and administrative hearings.

Areas of Expertise: Satellite Hospitals, New Hospitals, Relocation and Transfer of Beds, Observation Beds, Geriatric Psychiatric Units, Children’s Hospitals, Comprehensive Inpatient Rehabilitation Units, Neonatal Intensive Care Units, Open Heart Surgery Services, Long Term Acute Care Units, Projects that exceed CON Capital Threshold Limits, Projects for Specifically Listed Services, Programs Requiring CON, Hospices, Senior Living Facilities

Ronald T. Luke, JD, PhD, is a principal consultant and President of RPC, LP. Ron joined RPC in 1976 and became its president and principal owner in 1979. He has consulted on projects for health care providers, managed care plans and public agencies in more than 25 states. He also serves as an expert witness in trials, administrative proceedings and legislative hearings.

Active in the Health Policy Arena, Dr. Luke has been accepted as an expert in Economics, Socioeconomic Impact Analysis, and Policy Analysis by state and federal courts, and state administrative agencies. The types of cases in which he has provided expert testimony include personal injury, contractual disputes, health care payment disputes, construction defects, utility construction permitting, and certificate of need. He has testified on health care matters including market structure, billing fraud and abuse, reasonableness of charges, medical staff credentialing, workers’ compensation fee guidelines, utilization review, physician contracts, and managed care contracts.

Kacy L. Turner, MS, CRC, CVE, CLCP, is a Certified Life Care Planner and Vocational Consultant with RPC. She has over 20 years of experience in Rehabilitation. Ms. Turner has experience writing life care plans for both plaintiff and defense clients. She has experience as a rehabilitation consultant in three states and has been qualified as a testifying expert in state and federal court.  

Ms. Turner has worked on cases in several states as well as the country of Trinidad. To determine the pre-injury and post-injury employability in personal injury cases, she provides vocational testing, transferable skills analysis, job requirements analysis, rehabilitation plans, and definition of reasonable accommodations under the American with Disabilities Act. She is a member of the International Association of Rehabilitation Professionals, the Texas Association of Rehabilitation Professionals and Providers of Services, and Vocational Evaluation and Career Assessment Professionals.

Brian Piper, PhD,  is an Economist with RPC specializing in Quantitative Analysis and Modelling. He works on a variety of cases including personal injury and certificate of need. He is experienced in data extraction, management, simulation, and analysis using STATA, SQL, ARC GIS and a variety of other programs. Dr. Piper has taught graduate classes in statistics and econometrics in both MBA and Ph.D. programs.

Dr. Piper is an experienced expert, providing testimony, reports, and affidavits on the issues of economic damages in personal injury litigation, healthcare litigation, False Claims Act litigation, and other commercial litigation. He has testified on behalf of plaintiffs and defendants. 

Dr. Piper specializes in the economics of healthcare. He has been retained by healthcare providers and insurers in payment disputes. He has analyzed the reasonableness of charges and expected payment for past and future medical services for providers, insurers, plaintiffs, and defendants. Besides work in litigation, Dr. Piper has provided analysis of Certificate of Need applications and the economic impacts of proposed legislation.

Ray S. Kim, Ph.D., is a Clinical Psychologist focused on providing individual, couples, and family therapy, as well as Forensic Evaluations for adults and juveniles. Areas of Consultation:

Dr. Kim is currently the Director of Chicago Metropolitan Forensic Services at the Illinois Department of Human Services where he supervises a team of clinical psychologists and social workers who evaluate the placement of individuals into forensic facilities. He also serves as the Director of Clinical Training at Chicago Metropolitan Forensic Services where he developed and supervises a forensic practicum program which provides opportunities for specialized clinical training in the area of forensic psychology. 

Dr. Kim was one of the first psychologists trained by the Illinois Department of Human Services to evaluate sex offenders for sexual dangerousness under the Sexually Violent Persons Commitment Act. He is also among the first to be certified as a Licensed Sex Offender Evaluator and Licensed Sex Offender Treatment Provider in Illinois. 

Certifications - Licensed Clinical Psychologist, Board Certified Forensic Psychologist, Licensed Sex Offender Evaluator, Licensed Sex Offender Treatment Provider, Board Registered Mental Illness/Substance Abuse Provider, Fellow of the American College of Forensic Examiners Institute, Fellow of the American College of Advanced Practice Psychologists, Diplomate of the American Psychotherapy Association, Diplomate of the American Board of Psychological Specialties, National Register of Health Service Psychologists. www.experts.com

View Dr. Kim's Expert Witness Profile.

Steven Gaskell, Psy.D. is a Forensic Psychologist, license eligible in all 50 states, and licened in Illinois, Georgia, Florida, and Kansas. He has years of extensive experience providing a variety of Forensic Psychological Evaluations and testifying regarding a variety of legal issues. Dr. Gaskell has completed more than 2000 Forensic Psychological Assessments including over 1000 pre-trial Competency to Stand Trial or Fitness to Stand Trial and Criminal Responsibility (Insanity Defense) psychological evaluations and he has provided expert testimony these issues on numerous occasions. Competency to Stand Trial/ Fitness to Stand Trial Criminal Responsibility or Sanity at the Time of the Offense Mitigating Factors Assessment Miranda Rights Issues (voluntariness, competency to confess, interrogative suggestibility) Malingering and Deception Sexual Assault Allegations Sex Offender Evaluations Sexually Violent Person Evaluations Pedophilia Paraphilias Future Likelihood of Sexual Re-Offense

MRK Medical Consultants provides Medical-Legal Evaluations to help legal and insurance professionals reach appropriate conclusions about their client's situations. MRK provides a wide array of medical experts that offer objective review and analysis of personal injuries. Each stage of the process—research to review, analysis to opinion—is addressed in a comprehensive manner in order to help legal and insurance professionals reach appropriate conclusions about their client’s situations. MRK's prestigious list of more than forty consultants are active clinicians and surgeons, who are all board-certified or eligible in one or more specialties. MRK provides physician experts to the entire State of California, the Reno/Lake Tahoe area, and Las Vegas, and we travel to many areas of the United States. Physical therapy, registered nurses, physician assistant, and billing review consultants are available services MRK provides. Our office physicians are available for telephone review of the merits of your case before you decide to proceed.  

Edward W. Younger, III, M.D., Medical Director of MRK Medical Consultants, specializes in Orthopedic Surgery. He has extensive experience in total joint replacement, as well as reconstructive surgery of the knee, hip, and shoulder. He was instrumental in bringing computer navigation technology to his hospital. He served on the orthopedic trauma staff at Mercy San Juan Medical Center in Carmichael, California, for more than fifteen years and was instrumental in bringing computer navigation technology to that institution. He is a member of Alpha Omega Alpha National Honor Society and is a Diplomate of the American Board of Orthopedic Surgery, a member of the American Medical Association, the American Academy of Orthopedic Surgeons, and the California Orthopedic Association.

Dr. Michael R. Klein, Jr., M.D., specializes in Orthopedic Surgery and is a founding member and the first Medical Director of Northern California Orthopedic Centers. He was involved with the development of the orthopedic section of the Level II Trauma Center at Mercy San Juan Medical Center. He served as a clinical professor at the University of California, Davis, Medical Center for more than thirty years. He has been a member of the North American Spine Society since 2009 and was awarded the David O. Selby Award in 2020 for his contributions. He is a fellow of the American College of Surgeons and American Academy of Orthopedic Surgeons, and a member of the American Medical Association and the California Medical Association. He retired from the USAF in 1998 after being on active duty during the Vietnam War, and he was activated for Operation Desert Storm in 1991. 

MRK's Areas of Expertise:

Dr. Jane K. McNaught, PhD is a locally and nationally recognized Psychological Forensic Expert with an extensive background in Clinical Psychological issues. Dr. McNaught works with both adults and children. She specializes in the diagnosis and treatment of Post Traumatic Stress Disorder and Divorce related issues. 

Dr. McNaught has treated numerous adult and child victims of sexual and physical abuse. She has also consulted on cases for both the plaintiff and defense regarding the reliability of child and adult statements about sexual assault. She also consults on cases involving delayed reports of sexual assault as well as standard of care regarding interviewing alleged victims of sexual assault. 

Dr. McNaught also specializes in criminal cases where sexual assault is alleged as well as mental health issues that may impact sentencing. In the area of Family Law, Dr. McNaught has a long history of providing custody evaluations in high conflict cases that involve personaltiy disordered parents, allegations of physical and sexual abuse, allegations of Factitious Disorder of Self and Others, and cases involving Parental Alienation. Dr. McNaught also works with adults who are experiencing depression, anxiety, and going through life transitions. Throughout her career, she has also treated children who are experiencing behavioral, academic, and social difficulties. 

Clinical Areas of Expertise:

Dr. McNaught has presented her work at national conferences for psychologists, social workers, physicians, attorneys and judges. Her presentations and workshops have been requested by such organizations as the Criminal Justice Institute, International Symposium on Child Custody Evaluation, Trial Lawyers Association, and many others. Dr. McNaught was one of a few psychologists chosen to be an invited Expert on the Minnesota Supreme Court Task Force on Visitation. She has also been invited to participate in State and County Policy Making Boards related to sexual assault as well as divorce custody issues. She is highly regarded as a state and national expert in the areas of: Sexual Assault, Post Traumatic Stress Disorder, Parental Alienation, Factitious Disorder by Proxy, and Divorce related issues.

View Dr. McNaught's Expert Witness Profile.

Charles H. Heller, PhD, is a Clinical and Forensic Psychologist with over 35 years of experience in his field. Dr. Heller offers consultative expert evaluations to assess children and adults for intellectual, emotional, and mental abnormalities as defined by federal regulations. He is experienced in psychotherapy and psychological testing and provides psychological services to a broad spectrum of clients. Dr. Heller is currently on staff at Rutgers University Biomedical Health Service, specializing in criminal behavior and risk assessment. He also serves as a forensic psychologist consultant for the Rockland County (NY) court evaluation service, where he has performed hundreds of child custody, as well as criminal competency and child abuse/neglect evaluations.

Areas of Specialization:

Agency Consultation - Dr. Heller also offers consultation to agencies to improve team effort and communication and reduce conflict. He facilitates executive and leadership committee meetings, goal setting, and staff training and clinical supervision of other therapists. Dr. Heller is a Forensic Consultant and custody evaluator for the Rockland County (NY) Department of Mental Health and a Child Custody evaluator for the Bergen Family Center, Court Services Program. He is a Consultant to agencies that include: outpatient and inpatient alcoholism and drug abuse treatment centers, schools, foster care agencies, as well as a variety of group homes for emotionally handicapped, children with special needs, adolescents, developmentally delayed, and dual-diagnosed people.

Law Enforcement Personnel Consultation - Dr. Heller offers his services regarding treatment for alcohol and emotional problems as well as fitness for duty evaluations. Member of the Rockland County De-briefing team for police officers, firefighters, and emergency medical technicians who have been involved in traumatic situations and the treatment of posttraumatic stress disorder. Serve as a clinician for the member assistance program of the New York City Patrolman's Benevolent Association. Serve as an EAP clinician for agents and staff of the U.S. Drug Enforcement Agency (DEA).

Speaking Engagements - Dr. Heller has delivered numerous professional speeches and seminars. His volunteer clinical supervisory and professional activities have been recognized by agencies he has helped.

View Dr. Heller's Expert Witness Profile.

Dr. Robert Evans, PhD,  is a Licensed School Psychologist with over 30 years of experience in the behavioral sciences, including completing over 100 Child Custody Evaluations. Dr. Evans serves as a consultant to the medical, legal, and law enforcement community in Florida on Psychological and Educational matters. He consulted with Orange County Public Defender with cases involving arrest and incarceration of children. He has also provided Critical Incident Stress Debriefings to victims of crime in the Central Florida area. 

Litigation Support - Dr. Evans specializes in Parental Alienation cases which are commonly among those classified as High Conflict Divorce cases and he has written a book on Parental Alienation. He provides litigation support to counsel for both Plaintiff and Defense. His services include support with hearing / trial preparations, review of current evaluations, and support during and after the litigation process. 

Dr. Evans has given sworn testimony as a Forensic Psychology expert witness in NY, IA, IL, PA, GA, FL ID, CO, OH, TX, TN, LA, MA, MD, MO, NC, SC, WA, and OR. 

Areas of Expertise:

• Parental Alienation
• Child Custody Evaluations
• False Allegations of Abuse
• Treatment Considerations for Alienated Children
• Workplace Violence

Linnda Durre', Ph.D., Licensed Psychotherapist, (FL License #MH6058) is an expert witness, psychotherapist, family counselor, intern supervisor, international speaker, corporate trainer, author, business consultant, adjunct college professor, and a magazine, Internet, and newspaper columnist. Her four areas of court expertise are Family Law, Personal Injury Law, Employment Law, and Criminal Law. 

Litigation Support: With over 49 years of experience, she consults to attorneys and has been qualified as an expert witness in 12 states - Florida. Alabama, California, Arkansas, Georgia, Connecticut, Washington, Ohio, Tennessee, and Iowa - in the areas of Personal Injury, PTSD, Family and Couples Counseling, Divorce, Child Custody, Relocation, Drug and Alcohol Counseling, Sexual Harassment, Sexual Abuse by Psychotherapists, as well as Age, Race, Gender, and Sexual Orientation Discrimination. Her 400-page doctoral dissertation and research in the latter area was cited to pass legislation in several states. 

Dr. Durre' has hosted and produced four radio shows, two of which were call-in advice shows - "The Dr. Linnda Durre' Show" on WDBO in Orlando (a Cox station) and "Let's Talk with Dr. Linnda Durre' on an NPR station in New York, and two radio interview shows. Her last show was a daily hour-long podcast, entitled, "Linnda Durre' Interviews" Dr. Linnda Durre' has hosted and produced two call-in advice TV shows, including being selected in a national search of 200 applicants, to host, "Ask The Family Therapist," on America's Health Network (AHN), which was associated with Mayo Clinic and each show aired daily for two hours from Universal Studios Orlando. She was vetted by Mayo Clinic and America's Health Network.

She has appeared on Oprah, 60 Minutes, O'Reilly (twice), Today Show, Good Morning America, Canada AM, Daytime, Donahue (twice), Sally Jessy Raphael, People Are Talking, Home Show, Hour Magazine, Home and Family Show, Disney Channel, and the local and/or national news on NPR, PBS, CBS, ABC, NBC, CW, and Fox.

Dr. Durre' has been interviewed, cited, and/or quoted by the NY Times, LA Times, Forbes, WSJ, IBD, Business Week, SF Chronicle & Examiner, Toronto Globe & Mail, Albany Times Union, Atlanta Journal Constitution, Orlando Business Journal, Orlando Sentinel, Parade Magazine, Alternative Medicine Magazine, CNN Online, Washington Parent Magazine, Screen Actor Magazine, Florida Magazine, Pasadena Star News, Orlando Magazine, Women's Health Magazine, and others.

View Linnda Durre's Expert Witness Profile.

• Cognitive Behavior Therapy
• Post Traumatic Stress Disorder Evaluation & Treatment
• Forensic Testimony (Consultation, Evaluation Treatment Following Trauma or Injury)

Michael T. Motley, Ph.D. has over thirty-five years of experience in the field of Communication, with specialization in the areas of public-speaking anxiety (stage fright), interpersonal communication, meaning, and psycholinguistics. He has developed an approach to reducing public-speaking stage fright that has been proven in several clinical trials to be the most effective therapy available. The method is successful in about 95% of severe cases and 85% of moderate cases. Dr. Motley is a Professor of Communication with the University of California at Davis. He has authored almost 200 books, articles, and research papers in communication and psycholinguistics. He has won eighteen excellence awards for his research and was recognized as among the "Top 1%" of communication scholars of the 1970's, 1980's, and 1990's. Areas of Expertise:

• Stage Fright Reduction
• Interpersonal Communication Skills
• Male / Female Misunderstandings
• Communication of Sexual Consent

Services Offered:

• Consultation and Advice in Above Areas
• Therapy for Public-Speaking Anxiety (Stage Fright)

View Expert Witness Profile.

Jessica Chaudhary, MD, is a Board-Certified Psychiatrist with specialties in Psychotherapy and Psychopharmacology. Her practice includes General, Adolescent, and Adult Psychiatry.  

Dr. Chaudhary has wide ranging experience using a variety of different treatment modalities. She offers individualized care based on the client's specific problems, concerns, and preferences. Dr. Chaudhary can provide all services through TELEHEALTH.

Dr. Chaudhary is in private practice and a consultant to attorneys nationwide.  She is a clinical instructor at Yale University and a Fellow of the American Psychiatric Association.  

Consulting Areas Include:
•    OB-GYN and Psychiatry - Pregnancy and post partum-related psychiatric problems
•    Impaired Professionals - Physicians, nurses, mental health care providers, attorneys, executives, and other professionals and professional organizations
•    Substance Abuse Disorders
•    Depression, Anxiety, Bipolar Disorder, Neurocognitive Disorders, and Co-Morbid Psychiatric and Medical Conditions

View Dr. Jessica Chaudhary's Expert Witness Profile.