Dr. Nancy Grugle is a Board-Certified Human Factors Professional (CHFP) and one of the country’s leading forensic experts in human performance and behavior as it applies to motor vehicle collisions and transportation safety. With more than two decades of academic, research, industry, and forensic experience, Dr. Grugle brings rigorous scientific methodology and extensive courtroom experience to complex cases involving driver behavior, fatigue, distracted driving, and advanced vehicle technologies. She conducts investigations for both plaintiff and defense counsel and has testified in state and federal courts across the country.