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Medical – Spine
Brian D. Rudin, MD
Orthopedic Spine Surgeon
Dr. Rudin is an actively practicing and Board-Certified Orthopedic Surgeon, with a fellowship in Spinal Surgery. He has been in private practice for 20 years. He was the chief and vice chief of orthopedics at a level 2 trauma center. His practice is 100% dedicated to spine care. Specializes in spine surgery, spine care, neck pain, back pain, disorders of the cervical, thoracic, lumbar spine, disc problems, spinal cord, dural tear, fusion, disc replacement, pedicle screws, auto accidents, and personal injury cases. He has been deposed and testified over 150 cases in the last 4 years.
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Accident Analysis/Reconstruction
Charles Taylor Engineering Technical Services
Timothy C. Behrens, P.E., DFE, CFI, CFEI, CVFI
Mr. Behrens has 40 years of Mechanical Engineering experience focused on Failure Analysis, Forensic Engineering and Fire Investigations. His widespread expertise includes engineering investigations of accidents, failures and fires involving various vehicles, industrial equipment, and consumer products. He is a board-certified Diplomate Forensic Engineer with the National Academy of Forensic Engineers and has testified in approximately forty cases.
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Engineering - Automotive
Charles Taylor Engineering Technical Services
Timothy C. Behrens, P.E., DFE, CFI, CFEI, CVFI
Mr. Behrens has 40 years of Mechanical Engineering experience focused on Failure Analysis, Forensic Engineering and Fire Investigations. His widespread expertise includes engineering investigations of accidents, failures and fires involving various vehicles, industrial equipment, and consumer products. He is a board-certified Diplomate Forensic Engineer with the National Academy of Forensic Engineers and has testified in approximately forty cases.
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Engineering - Mechanical
Charles Taylor Engineering Technical Services
Timothy C. Behrens, P.E., DFE, CFI, CFEI, CVFI
Mr. Behrens has 40 years of Mechanical Engineering experience focused on Failure Analysis, Forensic Engineering and Fire Investigations. His widespread expertise includes engineering investigations of accidents, failures and fires involving various vehicles, industrial equipment, and consumer products. He is a board-certified Diplomate Forensic Engineer with the National Academy of Forensic Engineers and has testified in approximately forty cases.
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Fire/Explosions
Charles Taylor Engineering Technical Services
Timothy C. Behrens, P.E., DFE, CFI, CFEI, CVFI
Mr. Behrens has 40 years of Mechanical Engineering experience focused on Failure Analysis, Forensic Engineering and Fire Investigations. His widespread expertise includes engineering investigations of accidents, failures and fires involving various vehicles, industrial equipment, and consumer products. He is a board-certified Diplomate Forensic Engineer with the National Academy of Forensic Engineers and has testified in approximately forty cases.
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Mechanical Engineering
Charles Taylor Engineering Technical Services
Timothy C. Behrens, P.E., DFE, CFI, CFEI, CVFI
Mr. Behrens has 40 years of Mechanical Engineering experience focused on Failure Analysis, Forensic Engineering and Fire Investigations. His widespread expertise includes engineering investigations of accidents, failures and fires involving various vehicles, industrial equipment, and consumer products. He is a board-certified Diplomate Forensic Engineer with the National Academy of Forensic Engineers and has testified in approximately forty cases.
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Plumbing
Charles Taylor Engineering Technical Services
Timothy C. Behrens, P.E., DFE, CFI, CFEI, CVFI
Mr. Behrens has 40 years of Mechanical Engineering experience focused on Failure Analysis, Forensic Engineering and Fire Investigations. His widespread expertise includes engineering investigations of accidents, failures and fires involving various vehicles, industrial equipment, and consumer products. He is a board-certified Diplomate Forensic Engineer with the National Academy of Forensic Engineers and has testified in approximately forty cases.
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Product Failure
Charles Taylor Engineering Technical Services
Timothy C. Behrens, P.E., DFE, CFI, CFEI, CVFI
Mr. Behrens has 40 years of Mechanical Engineering experience focused on Failure Analysis, Forensic Engineering and Fire Investigations. His widespread expertise includes engineering investigations of accidents, failures and fires involving various vehicles, industrial equipment, and consumer products. He is a board-certified Diplomate Forensic Engineer with the National Academy of Forensic Engineers and has testified in approximately forty cases.
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Safety - Premise Liability
Charles Taylor Engineering Technical Services
Timothy C. Behrens, P.E., DFE, CFI, CFEI, CVFI
Mr. Behrens has 40 years of Mechanical Engineering experience focused on Failure Analysis, Forensic Engineering and Fire Investigations. His widespread expertise includes engineering investigations of accidents, failures and fires involving various vehicles, industrial equipment, and consumer products. He is a board-certified Diplomate Forensic Engineer with the National Academy of Forensic Engineers and has testified in approximately forty cases.
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Forensic Engineering
Charles Taylor Engineering Technical Services
Timothy C. Behrens, P.E., DFE, CFI, CFEI, CVFI
Mr. Behrens has 40 years of Mechanical Engineering experience focused on Failure Analysis, Forensic Engineering and Fire Investigations. His widespread expertise includes engineering investigations of accidents, failures and fires involving various vehicles, industrial equipment, and consumer products. He is a board-certified Diplomate Forensic Engineer with the National Academy of Forensic Engineers and has testified in approximately forty cases.
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Land
Cushman & Wakefield
John Kirby, MAI
John Kirby has been involved in a variety of cases including bankruptcy, civil disputes, divorce, arbitrations, lease and sale negotiations, and other land, development, and real estate litigation. He has served as a qualified expert witness in both State (AZ and CA) and Federal Courts. In addition, Mr. Kirby leads a large team of commercial appraisers located throughout the Southwest, including a dedicated Trust & Estates team comprised of in-house entity and partial interest valuation professionals. Mr. Kirby has 20 years of professional appraisal experience covering a diverse range of assignments in terms of both property types and markets, and is supported by the resources of one of the world’s largest real estate services providers.
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Real Estate - Appraisal & Valuation
Cushman & Wakefield
John Kirby, MAI
John Kirby has been involved in a variety of cases including bankruptcy, civil disputes, divorce, arbitrations, lease and sale negotiations, and other land, development, and real estate litigation. He has served as a qualified expert witness in both State (AZ and CA) and Federal Courts. In addition, Mr. Kirby leads a large team of commercial appraisers located throughout the Southwest, including a dedicated Trust & Estates team comprised of in-house entity and partial interest valuation professionals. Mr. Kirby has 20 years of professional appraisal experience covering a diverse range of assignments in terms of both property types and markets, and is supported by the resources of one of the world’s largest real estate services providers.
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Trusts and Estates
Cushman & Wakefield
John Kirby, MAI
John Kirby has been involved in a variety of cases including bankruptcy, civil disputes, divorce, arbitrations, lease and sale negotiations, and other land, development, and real estate litigation. He has served as a qualified expert witness in both State (AZ and CA) and Federal Courts. In addition, Mr. Kirby leads a large team of commercial appraisers located throughout the Southwest, including a dedicated Trust & Estates team comprised of in-house entity and partial interest valuation professionals. Mr. Kirby has 20 years of professional appraisal experience covering a diverse range of assignments in terms of both property types and markets, and is supported by the resources of one of the world’s largest real estate services providers.
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Cell Phone Forensics
Forensics4U
You are in control of your searches, disclosures and costs with our flat fees, quick turnarounds, and comprehensive reports. Our team has two decades of engineering and court accepted digital forensics experience. Send us your cell phones, computers, hard drives, and tablets. Visit our website to see our flat fees and sign up. Practice areas: Family, Injury, Employment. Need the truth, get the proof!
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Computer Forensics
Forensics4U
You are in control of your searches, disclosures and costs with our flat fees, quick turnarounds, and comprehensive reports. Our team has two decades of engineering and court accepted digital forensics experience. Send us your cell phones, computers, hard drives, and tablets. Visit our website to see our flat fees and sign up. Practice areas: Family, Injury, Employment. Need the truth, get the proof!
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Medical - Orthopedic Surgery
MRK Medical Consultants
MRK MEDICAL CONSULTANTS has been providing board-certified surgeon and physician expert witnesses for more than 40 years. We have offices in Prescott, Tucson, and Phoenix/Scottsdale to serve you. Our physician specialties include orthopedic surgery, emergency medicine, pulmonology/COVID, cardiology, life care planning, neurology, neurosurgery, neuropsychology, neuroradiology, obstetrics, otolaryngology, plastic surgery, podiatry, radiology, and trauma surgery.
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Geotechnical Engineers
Peterson Geotechnical Group, LLC
Curt Peterson, P.E.
A leader in forensic geotechnical consulting and evaluations since 2006. PGG assess soil related distress to structures through the review of design and construction documents along with site evaluations. Evaluations may include subsurface soil collection and laboratory testing, culminating in repair recommendations and/or report preparation.
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Civil Engineering
Peterson Geotechnical Group, LLC
Curt Peterson, P.E.
A leader in forensic geotechnical consulting and evaluations since 2006. PGG assess soil related distress to structures through the review of design and construction documents along with site evaluations. Evaluations may include subsurface soil collection and laboratory testing, culminating in repair recommendations and/or report preparation.
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Police – Use of Force
Titan National Consulting Group LLC
Arizona and Nationwide
Retired LAPD Homicide Lieutenant. Law Enforcement and Security Best Practices Expert Witness. Adam Bercovici has 40+ years of law enforcement and security experience. Plaintiff and defense expert witness in law enforcement best practices and security/premise liability cases, use of force, positional asphyxia, officer-involved shootings, pursuit policy, K9 operations, police labor-hiring and retention and termination (including Brady issues), homicide, wrongful death, active shooter, and crowd management.
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Police Policy, Procedures & Tactics
Titan National Consulting Group LLC
Arizona and Nationwide
Retired LAPD Homicide Lieutenant. Law Enforcement and Security Best Practices Expert Witness. Adam Bercovici has 40+ years of law enforcement and security experience. Plaintiff and defense expert witness in law enforcement best practices and security/premise liability cases, use of force, positional asphyxia, officer-involved shootings, pursuit policy, K9 operations, police labor-hiring and retention and termination (including Brady issues), homicide, wrongful death, active shooter, and crowd management.