Certified Professional Ergonomist

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Achieve your certification by using CPEprep Version 4.0 to study for the professional certification exam offered by the Board of Certification in Professional Ergonomics (BCPE), which has a choice of designation:


Certified Professional Ergonomist (CPE)®

Certified Human Factors Professional (CHFP)®

Certified User Experience Professional (CUXP)®

CPEprep Version 4.0 is an interactive self-study program containing 900+ multiple choice questions accompanied by detailed explanations and references.   The questions are organized based on the Core Competenceies outlined by the BCPE and are developed from the recommended reference materials provided by the BCPE.  Take our Free Quiz to experience Datachem's question/ answer format.​

Study at your own Pace.   Licenses are available in 60 – 365 day options.   Purchase only what you need.
Study When and Where you want.   Use any internet connected smartphone, tablet or laptop to study.   Download and CD versions are available for those who don’t have a reliable internet connection.
Focus your efforts where you need it most.  Create and use practice tests to focus your studies more efficiently.
Measure your progress with the Practice Exam module.    Simulate the exam by taking a timed practice test. Click to Take a Tour of the Practice Test Module
No Risk.   If you don't pass your exam, click to read Datachem's money back or no-charge extra time offer

Proven, trusted study resource. 

For over thirty years, thousands of professionals have relied on Datachem Software programs to help them pass their certification exam.   Most of us lead very busy lives, juggling work responsibilities with professional development, plus family and personal time. Datachem self-study programs allow users to fit their professional development studies into their schedule, rather than adjust their lifestyle and schedules to fit study requirements.   
Our mission is to help professionals pass their certification exams.   In addition to the programs, our team is available to answer questions and troubleshoot problems. We also encourage your feedback so we can improve our products and help others with their purchase decision.

Author:  David Gilkey, D.C., Ph.D., CPE, CSP, REHS/RS

CPEprep V4.0 was authored by David Gilkey, D.C., Ph.D., CPE, CSP, REHS/RS an Associate Professor of Occupational Health, Ergonomics and Safety in the Department of Safety, Health and Industrial Hygiene in the School of Mines and Engineering at Montana Technological University. He regularly lectures on topics such as environmental and occupational health, ergonomics, chemical hazards, industrial hygiene, workplace safety and emergency response.

Dr. Gilkey earned his Doctor of Chiropractic degree from Southern California University of Health Sciences and Ph.D. from Colorado State University in environmental health with focus in occupational hygiene, safety and ergonomics. He is board certified in chiropractic occupational health and orthopedics and is a Certified Professional Ergonomist (CPE), Certified Safety Professional (CSP) and Registered Environmental Health Specialist/Registered Sanitarian (REHS/RS).

As an occupational health expert, he examined and evaluated nearly 5,000 disabled workers with various ergonomic related neuromusculoskeletal conditions over a 10 year period before redirecting his professional goals toward exposure assessment and prevention through education, training and program development. Dr. Gilkey has published over 29 refereed articles, 3 book chapters as well as 60 articles in trade journals in the areas of ergonomics, occupational safety and health and environmental health. He developed a online certificate program based upon the Ergonomist Formation Model as well as a university credit course in ergonomics preparing students for a career path toward becoming a CPE



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