Drowsy Driving Expert Witnesses

Los Angeles, California

Pulmonary Disease, Sleep Medicine - Asthma, Central Sleep Apnea, COPD, Cough, CPAP, Drowsy Driving, Emphysema, Hypersomnia, Insomnia, Lung Cancer, Narcolepsy, Obstructive Sleep Apnea, Parasomnia, Pneumonia, Pulmonary Embolism, Pulmonary Nodule, REM Behavior Disorder, Respiratory Failure, Restless Legs Syndrome, Sarcoid

Dr. Roy Artal is an experienced medical-legal expert witness with 20 plus years of experience representing both plaintiff and defense. A multi board-certified pulmonologist, sleep medicine specialist, and critical care trained physician, Dr. Artal received his undergraduate degree with honors from the University of Southern California, medical degree from the University of California Los Angeles, Internal Medicine Residency training at Cedars Sinai Medical Center, and Pulmonary and Critical Care Medicine training at the Cedars Sinai-UCLA-VA Combined Fellowship Program. He is Board Certified in Pulmonary Diseases, Sleep Medicine, and Internal Medicine by the American Board of Internal Medicine and holds an additional board certification in Sleep Medicine from the American Board of Sleep Medicine. Dr. Artal is a regular lecturer to the Cedars Sinai Pulmonary and Critical Care Medicine Fellowship program, a former Clinical Instructor of Medicine at the UCLA David Geffen School of Medi...

Durango, Colorado

Human Factors, Transportation - Distracted Driving, positive guidance, Fatigue, Sleep Deprivation, Visibility, expectancy, Autonomous Vehicles, Driver Assistance Technologies, Perception-Reaction Time, Looming, Drowsy Driving, Conspicuity, Sleep Deprivation and Shift Work, Human Performance and Behavior, Driver Actions, Advanced Driver Assistance Systems

Dr. Grugle is a human factors expert who specializes in cases involving human performance and behavior, particularly in motor vehicle collisions. Her areas of specialization include fatigue, sleep deprivation, and drowsy driving, as well as distracted driving, looming, visibility/conspicuity, and driver actions. Dr. Grugle has conducted hundreds of forensic investigations on cases involving these issues as well as cases involving roadway design (expectancy and positive guidance), and driver assistance technologies (forward collision warning, lane departure warning). Dr. Grugle is a Board-Certified Human Factors Professional (CHFP) with over 20 years of academic, research and industry experience in human factors engineering. She was awarded competitive human factors research grants from the National Science Foundation, the Ohio Department of Transportation, and the Cleveland State University Transportation Center and her research has been published in national and international pee...

Stoneham, Massachusetts

Transportation, Human Factors - Driver Fatigue, Fatigue Impairment, Human Fatigue, Accident Investigation, Human Factors, Operator Fatigue, Driver Alertness, Circadian Rhythms, Sleep Deprivation, Drowsy Driving, Fatigue Risk Management, Chronobiology, Truck Accidents, Motor Vehicle Accidents, Rail Accidents, Marine Accidents

Fred W. Turek, Ph.D., a consultant for Circadian Expert Services is a professor at Northwestern University where he served as the Chair of the Department of Neurobiology & Physiology for over 10 years. Dr. Turek is presently the Charles E. and Emma H. Morrison Professor of Biology and the founder and director of the Center for Sleep and Circadian Biology at Northwestern University. Dr. Turek has served on a number of government advisory bodies and his research on biological rhythms has been supported by the National Institutes of Health, the National Science Foundation, NASA, the Air Force Office of Scientific Research, the Army Research Office, DARPA. Dr. Turek was the founding president of the Society for Research on Biological Rhythms (SRBR) and the Editor-in-Chief and Deputy Editor in Chief of the Journal of Biological Rhythms. Dr. Turek has received several awards in recognition of his academic and research achievements, including an NIH Research Career Development Award, S...

Ann Arbor, Michigan

Sleep Medicine, Telemedicine - Restless legs syndrome (RLS), Insomnia, Obstructive sleep apnea (OSA), Central sleep apnea (CSA), Drowsy driving, Sleep-related accidents, Shift work, Narcolepsy, Idiopathic hypersomnia, Oral appliance treatment, CPAP, Sleepwalking, Parasomnias, Sleep behaviors, Sleep deprivation, Daytime sleepiness

Andy Berkowski, MD is a neurologist and sleep medicine specialist who can provide his depth of knowledge to a variety of sleep-related situations in medical expert witness work. Dr. Berkowski earned an undergraduate degree in religious studies from Stanford University before attending medical school at Wayne State University in Detroit. He completed an internship at Henry Ford Hospital and residency in adult neurology at the Detroit Medical Center/Wayne State University. He returned to Stanford for fellowship training at the renown Stanford Sleep Medicine Center. Following training, he spent seven years as an academic sleep physician at the University of Michigan and Cleveland Clinic before founding ReLACS Health in 2022. ReLACS Health is a direct specialty care clinic specializing in the personalized treatment of complex sleep conditions including restless legs syndrome (RLS) and insomnia disorder through telemedicine. In addition to his clinical work, Dr. Berkowski is a Fellow...

Memphis, Tennessee

Sleep Medicine, Pediatric Neurology - sleep disorders, excessive sleepiness, narcolepsy, idiopathic hypersomnia, obstructive sleep apnea, sleep deprivation, motor vehicle accidents and sleep, post-traumatic hypersomnia, commercial drivers and sleepiness, complex sleep behaviors, polysomnography, sleep studies, external peer reviews, drowsy driving

Board certified neurologist and full-time sleep medicine specialist (Board certified) who evaluates and manages the full range of sleep disorders in children, adolescents and adults; focus on excessive sleepiness and hypersomnia, narcolepsy, idiopathic hypersomnia, accident risk and sleep disorders, drowsy driving, cognitive impairment, post-traumatic hypersomnia, and complex sleep behaviors. Active in the American Academy of Sleep Medicine (AASM) including board of directors 2010-2016, participation on numerous national committees and task forces including the AASM Standards of Practice committee, numerous publications related to diagnosis and treatment of sleep disorders, and prior academic appointments at Baylor College of Medicine (1998-2006) and University of Alabama at Birmingham (1991-1998). In practice since 2006 in Memphis, TN, a large quadra-modal transportation and shipping hub (world hub and headquarters for FedEx) with thousands of pilots, air traffic controllers, c...