Mark A. Keisler is currently the Forensic Firearms Identification Unit supervisor at the Indiana State Police Laboratory where he is responsible for the day-to-day operations of eight forensic scientists at four regional laboratories. He has been a forensic firearms examiner since 1995 and to date has worked over 950 cases and has testified over 150 times in courtrooms across Indiana.
Mr. Keisler is a member of the Association of Firearm and Toolmark Examiners (AFTE) and has been a member of the board of admissions and chairman of the needs assessment committee. He has been on the AFTE Board of Directors since 2010 and was the president of this association from 2013-2014. Mr. Keisler has authored or co-authored 11 articles for the AFTE Journal, presented at the 2000 AFTE conference in St. Louis, and co-authored an article for the Journal of Forensic Science. Mr. Keisler has been a member of the Scientific Working Group for Firearm and Toolmarks since 2006 and an ASCLD/LAB ISO 17025 Auditor since 2009. He has a B.S. in criminal justice and corrections from Ball State University and is currently certified in the area of firearm evidence examination and identification by AFTE.
He was appointed to the FSSB in 2014.