Susan has been IATAI’s Treasurer and Conference Coordinator since 2003.  She is a partner in Traffic Safety Group, LLC along with her husband Nathan.

Susan’s goal with respect to IATAI is to continue to build membership and provide the highest quality training opportunities to members.  The friendships made throughout the years make all of the hard work worth while.

Keith Jackson has been with the Collinsville Police Department since 2009.  He has been in law enforcement for over 8 years and is currently assigned to the Investigations Unit.  He served in the Street Crime Abatement Team prior to investigations.  He is one of two traffic crash reconstruction officers at his department and has been involved with accident reconstruction since 2012.  Keith Jackson received certification as an Illinois Certified Traffic Accident Reconstruction Specialist in the summer of 2012 from the Illinois Law Enforcement Training and Standards Board and is certified by the Accreditation Commission for Traffic Accident Reconstruction (ACTAR).   He is serving his first term as the secretary for the Illinois Association of Technical Accident Investigators.  Keith Jackson is a co-founder of Metro East Crash Assistance Team which investigates serious and fatal traffic crashes for three counties of southwest Illinois. 

Steven Anthony was elected as Vice-President to the IATAI Board in 2011. Steven is in his 16th year with the Tazewell County Sheriff’s Office, IL. He is currently assigned to investigations and is a Crash Reconstruction Officer. Steven has also been employed with the North Pekin Police Department for 17 years where he is the grant and equipment administrator as well as a Crash Reconstruction Officer. Steven started his reconstruction training in 2005 and became a certified State of Illinois Crash Reconstruction Specialist in 2006 (IL PTB #06414). Steven is a certified Standardized Field Sobriety Testing (SFST) and Intro to Drugged Driving Instructor. Steven is also an instructor for the ATV Safety Institute.

Dave Keltner is in his 15th year with the Illinois State Police.  He is currently assigned to the Traffic Crash Reconstruction Unit as the Northern Illinois Supervisor.  He has been a reconstruction officer since 2002, and is certified by the Illinois Law Enforcement and Training and Standards Board as a Crash Reconstruction Specialist and the Accreditation Commission for Traffic Accident Reconstruction (ACTAR) #2296. 

Dave instructs multiple crash related courses for the Illinois State Police and law enforcement agencies.  He has been the primary investigator for over 160 major crash cases and has completed over 2,000 hours of training in the field of crash investigation and related roadway safety.   He has been deemed an expert witness in multiple northern Illinois counties for crash reconstruction, forensic mapping and Event Data Recorder (EDR) evidence.

Dave has additional duties including: Control and Arrest Tactics (CAT) Instructor, First Responder/ Basic Life Support CPR Instructor, Motorcycle Officer, Use of Force Instructor and Supervisor, and Juvenile Officer.  He also organizes all ISP training, budget planning and case review for the Reconstruction Unit.


Susan Shigemura

email: sushig@speednet.com


Keith Jackson

email: kjackson@collinsvilleil.org

Vice President

Steve Anthony

email: santhony@tazewelldeputy.com


Dave Keltner

email: David_Keltner@isp.state.il.us

IATAI Mailing Address

Illinois Association of Technical Accident Investigators

7610 Roberts Rd New Berlin IL 62670 us