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LEADERSHIP (Last Update 18 Jan 2019)

Executive Committee


Tommy Sturdivan (president@napars.org) retired as a Sergeant from the Georgia State Patrol (GSP). He began reconstructing crashes in 1992 after attending classes from IPTM. In 1997 he became a member of the Specialized Collision Reconstruction Team (SCRT). During his tenure with the SCRT, he was promoted to Corporal and Sergeant, in charge of instructing all accident reconstruction training for the GSP. While performing training functions, he wrote several manuals which the GSP still use for their cadets and Reconstruction classes. He is a member in good standing with ACTAR, a charter member of SEARS and SCARS, as well as a member of SAE. Mr. Sturdivan currently operates Sturdivan Collision Analysis (https://www.sturdivancollision.com/). He attends conferences each year to keep his training up to date. He became involved in the CDR System in 2001 and has maintained his education and training to include being a train-the-trainer for the Technician class. His CV lists over 11,000 hours of accident investigation before 2015. He joined the Board for the 2015/2016 session as a Law Enforcement Sector Representative, and took the President's seat for 2017/2018. (Updated 18 JAN 2019)

Vice President

Richard "Rick" McAlister (rick@thecrashlab.com) retired from the Maine State Police in late 2010 after 25 years of service.  During his last 11 years there, Rick held the rank of Sergeant and supervised the Crash Analysis/Reconstruction Unit. Rick has been a certified Crash Reconstruction Specialist since 1989 and ACTAR accredited since 2004.  He has been a member of NAPARS since 2006. During his tenure with the Maine State Police, Rick served as the principal instructor for the Maine Criminal Justice Academy Basic Crash Investigation and At-Scene Investigation programs and was also the system administrator for Maine’s electronic crash reporting system. Upon retirement from the Maine State Police, Rick joined The Crash Lab, Inc, in Hampton, NH.  In July 2014, Rick was appointed president of The Crash Lab. He has served as NAPARS VP since 2015. (updated 18 JAN 2019)

Treasurer & NAPARS Representative to ACTAR

Kenna Marie Johnston (kenna@thecrashlab.com) and her husband Dan relocated to New Hampshire in 2002 to give Kenna the opportunity to follow her dream of becoming a crash reconstructionist. Kenna is a graduate of the University of Akron with a B.S. in Mechanical Engineering Technology. She has been employed by The Crash Lab, Inc., in Hampton NH, since 2002. She has been ACTAR accredited since 2003. She may very well have been the youngest person to pass the ACTAR exam. Kenna has been a member in good standing of NAPARS since 2002 and a member of the board since 2005. Kenna is very involved and is eager to serve NAPARS as a board member and ACTAR representative. She has handled the treasurer's duties for a couple years, since our long-serving former-treasurer Chip Johnston retired. Kenna will continue as our treasurer and ACTAR rep for the 2019/2020 term.  (updated 18 JAN 2019)


Thomas Garrepy (TGarrepy@brunswickpd.org) has been a police officer for the past 24 years. Presently, he holds the rank of Patrol Commander for the Brunswick Police Department, in Brunswick, Maine. He has a Bachelor’s Degree in Criminal Justice, and a Master’s Degree in Organizational Leadership. He has been a Maine-certified Collision Reconstruction Specialist since 1999 and actively involved in teaching basic crash investigation at the Maine Criminal Justice Academy. He became ACTAR certified in 2007, and has been a NAPARS member even longer. Currently, he oversees both the department's collision reconstruction and forensic mapping programs. He has been a member of the Board of Directors for the State of Maine Collision Reconstruction Unit for approximately 16 years. He joined the NAPARS board in 2015, and took over the duties of Secretary in 2017, and continues in that capacity for the 2019/2020 term. (updated 18 JAN 2019)


Past President

Charles "Chuck" Veppert (oshp367@aol.com) retired in 2006 at the rank of Lieutenant from the Ohio State Highway Patrol after 28+ years service. He was a member of OSHP’s first IPTM Crash Reconstruction class when they began their Crash Reconstruction and Analysis Unit in 1989 and worked as a regional crash reconstructionist for 18 years. He is ACTAR accredited, certified as a Federal Motor Carrier Inspector, a charter member of PSFM, and holds an Associates Degree from Kent State University in Criminal Justice. Chuck has been an active member of NAPARS since 1995, serving with distinction as President from 2009 to 2016. He holds the role of Past President, for the 2019/2020 term again. (updated 18 JAN 201)


Board of Directors

Three Law Enforcement Sector Representatives

Hugh Bean (hbean@co.worcester.md.us) worked 23 years for Ocean City (Maryland) Police Department, where he was assigned to their Traffic Safety Unit.  He is now on the job at the Worcester County Sheriff's Office. Hugh is an ACTAR accredited reconstructionist, and NHTSA CPS Instructor. Hugh has been active with MdATAI (Maryland) since 1987, and has worked closely with the NAPARS board in that capacity. He joined NAPARS in 2001 and has been an LE rep since 2015. 

Adam Hyde (adamhyde@comcast.net) is a Police Officer & Private Crash Consultant in Illinois. He won election to the BoD as a LE representative initially in 2017, and again for the 2019/2020 term. (updated 18 JAN 2019)

C. Greg Russell is a former U.S Military Police Officer and Ann Arundel County deputy with over 30 years of law enforcement experience, and more than 25 years of experience in crash reconstruction. He has taught all three levels of crash investigation, crush energy analysis, pedestrian accident investigation, advanced accident investigation, and other topics. Greg joined the board in 2017, and returns for 2019/2020 term.

Three Private Sector Representatives

Susan A. Lantz, Ph.D. (lantzengineering@gmail.com), in Florida, is a mechanical, biomechanical, and biomedical engineer with more than 20 years of experience in forensic engineering, accident reconstruction, biomechanical and biomedical analysis, medical and mechanical device design and testing, and finite element modeling and analysis. A former college professor, Dr. Lantz spent 20 years experimentally determining injury mechanisms, particularly of the cervical and lumbar spine. She has analyzed and reconstructed hundreds of commercial, industrial, and vehicular accidents. Dr. Lantz is also a Certified Fire and Explosion Investigator (CFEI) and a Certified Vehicle Fire Investigator (CVFI). She joined the board in 2015 and has been re-elected for subsequent terms. She spearheaded the rebirth of the NAPARS quarterly newsletter, serving as the newsletter editor. (Updated 18 JAN 2019)

Dr. Rick Wakefield, in Georgia, was elected to the BoD as a private sector representative in 2015 and returns for the 2019/2020 term. (Updated 18 JAN 2019)


George Meinschein has operated Meinschein Engineering Consultants, LLC, in NJ since 1999. He offers forensic engineering and accident reconstruction. He maintains professional engineering licenses in New Jersey and Connecticut, and is fully ACTAR-accredited in addition to being an ASE Certified Master Auto and Medium/Heavy Truck Technician. He was elected to the BoD in 2019. (Updated 18 JAN 2019)

NAPARS Administrator

Wade Bartlett (admin@napars.org) is no longer a member of the Board of Directors, but oversees the day to day operation of the group, including creating mailing lists for the magazines, newsletters, and email communications. He also tends the facebook page, and tried to keep the website up to date. He's the best point of contact for any membership issues that come up. When not handling NAPARS matters, he operates his own engineering/crash analysis consultancy as a licensed Professional Engineer with ACTAR certification. Over the past 30 years in this field, he has researched and published on a number of topics, but has lately focussed on motorcycle crash analysis and EDR data analysis. (Updated 27 November 2018)

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