Dr. Nancy Grugle, PH.D., CHFP – Human Factors Expert

Dr. Grugle is a human factors expert who specializes in investigating fatigue, sleep deprivation and drowsy driving as well as distracted driving, looming, visibility/conspicuity and driver behavior. Dr. Grugle has conducted hundreds of investigations on cases involving these issues as well as cases involving advanced driver assistance systems (forward collision warning, lane departure warning), roadway design (expectancy and positive guidance), and work zone safety.

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 peer-reviewed journals.

Dr. Grugle conducts investigations for both plaintiff and defense counsel and has testified in both state and federal courts.

Services

Dr. Nancy Grugle serves clients in the following areas of expertise: drowsy driving, distracted driving, looming, driver actions, fatigue, sleep deprivation and shift work, work zone safety, product user-interface design, and premises safety.

Litigation Support Services

Dr. Grugle conducts investigations for both plaintiff and defense counsel and has testified in both state and federal courts.

Areas of Expertise

Additional Expertise:

Driver Actions, Looming, Drowsy Driving, Sleep Deprivation and Shift Work, Visibility and Conspicuity, Perception-Reaction Time, Expectancy and Positive Guidance, Decision-Making, Autonomous Vehicles and Driver Assistance Technologies, Product User-Interface Design, Product Warnings, Premises Safety.

Areas Served

Nationwide

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Professional Experience

Evidence Solutions, Inc.
Human Factors Expert Witness
2024 – Present
• Perform forensic investigations involving human factors
• Provide reports and testimony related to driver performance, sleep deprivation, fatigue and shift work, and premises safety

Exigent Group Limited
Human Factors Expert
2020 – 2023
• Conducted human factors investigations and analysis
• Wrote reports and provided testimony for purposes of litigation
• Areas of specialization included distracted driving, drowsy driving, autonomous driving, looming, driver behavior, perception-reaction time, work zone safety, sleep deprivation, fatigue and shift work, product user-interface design, product warnings and instructions, and premises safety

Robson Forensic, Inc.
Associate
2013 – 2020
• Provided technical investigations, analysis, reports, and testimony toward the resolution of commercial and personal injury litigation involving human factors/ ergonomics
• Product and equipment user interface design
• Driver performance, distracted driving, drowsy driving, and work zone safety
• Sleep deprivation, fatigue, and shift work
• Premises safety
• Warning and instructional material design

Lockheed Martin, Colorado Springs, CO
Staff Human Factors Engineer
2007 – 2013
• Designed and evaluated software user interfaces; conducted usability experiments, evaluated statistical results, and presented findings
• Conducted ergonomic and human factors evaluations of military products and equipment
• Investigated human factors aspects of critical safety and operations incidents including the effects of sleep deprivation and shift work
• Developed and implemented human factors engineering training sessions for software developers and systems engineers

Cleveland State University, Cleveland, OH
Assistant Professor, Industrial and Manufacturing Engineering
2005 – 2007
• Directed the University Transportation Center Driving Simulator Laboratory Researched the effects of distracted driving in work zones
• Designed experiments for work zone safety research projects, analyzed large data samples and published results
• Taught human factors engineering, experimental design/research methods, probability and statistics, and work design courses
• Prepared weekly experimental study runs to include the following: configuring equipment, preparing testing materials, and downloading data
• Recruited, screened, and scheduled study participants
• Trained student staff on experimental procedures and cognitive test administration

Lockheed Martin Systems Integration, Owego, NY
Human Factors Engineer
2001 – 2002
• Assessed situation awareness and workload for pilots operating unmanned vehicles (drones)
• Designed graphical user interface for drone software
• Conducted usability experiments for U.S. Navy helicopter
• Performed aircraft maintainability analysis U.S. Air Force aircraft

Army Research Laboratory, Aberdeen Proving Ground, MD
Research Engineer
2000
• Performed usability evaluation of vehicle
• Modeled human performance
• Conducted research on team performance measurement methodologies

Leadership Experience

Cleveland State University, Cleveland OH
Faculty Advisor, Institute of Industrial Engineers
• Coordinated professional speakers
• Assisted in planning Institute of Industrial Engineers activities and fundraisers
• Oversaw budget preparation, submission, and expenditures
Presidential Appointee, Patent Committee
• Evaluated merit of patent protection applications at Cleveland State University
• Made recommendations for provisional protection of patent applications
Member, University Transportation Center Research Selection Committee
• Developed research selection policies and procedures for the University Transportation Center
• Presented research in progress at University Transportation Center Advisory Board meeting
• Assisted in soliciting funds for research to be conducted under the University Transportation Center

Human Factors and Ergonomics Society, Denver, CO
Secretary, Rocky Mountain Chapter

Qualifications

Certified Human Factors Professional (CHFP),
Board of Certification in Professional Ergonomics

Publications

Dr. Grugle has authored numerous articles and given extensive presentations on various human factors related specialties, including distracted driving, looming, sleep deprivation, and their relevance to legal cases, particularly those involving commercial trucking. For a comprehensive list of publications and presentations, please see website.

Professional References

Available Upon Request

Education

Ph.D., Industrial and Systems Engineering (Human Factors)
M.S., Industrial and Systems Engineering (Human Factors)
B.S., Industrial and Systems Engineering