Meet our staff !

Robert Wysong is our President and Chief Investigator. Robert has been in the fire and fraud investigation business for over twenty years. His background includes the fire service, law enforcement and private industry. Robert founded ACS in February 1991. Email:  Robert  Robert's CV.

Rob Helmkamp is our lead investigator. Rob joined ACS from a major law enforcement department in Kansas in 1999. Rob earned a Bachelor of Science Degree from Central Missouri State University, majoring in Criminal Justice and Fire Science. Rob resides in Wood River, is licensed as a Private Detective in Illinois and covers both Illinois and Missouri. Email  Rob Rob Helmkamp's CV

Mark Behan joined ACS in February 1999. Mark's background is from the fire service where he serves as a full time fire investigator for the St. Louis City Fire Investigation Unit. Email Mark

Chris Silman joined ACS in September 2001.  Chris has an extensive background and experience in fire investigations from his 20 plus years as an Investigator and Inspector with the Kennett, Missouri Fire Department and the Missouri State Fire Marshal's Office.  Chris lives in Benton, Missouri and covers Southern Missouri, Illinois, Kentucky and Northern Arkansas. Email Chris

Mike Limmer joined ACS  in September 2004. Mike is based in St. Peters, Missouri and covers central Missouri. Mike has investigated cases in Missouri, Illinois, Indiana, Kansas and throughout the Midwest. Mike's main training was with the St. Louis City Fire Department for 20 years. One of Mike's last assignments was with the Fire Investigation Unit.

Cory Gerstenschlager joined ACS August 2006 as an experienced fire investigator.  Cory is based in Festus Missouri and conducts investigations in the St. Louis area as well as the central section of the state.  Cory's training and background is from law enforcement and has proven to be one of the best investigators in the business.

Anne Cook joined ACS in September 2003 as the Office Coordinator/Manager. Anne has over 12 years of management experience in both the public and private sector. Email Anne

Together with our dedicated staff and the vision of our company leaders, ACS Investigative Services provides our industry with the integrity and professionalism needed to complete thorough, ethical investigations in an affordable and expedient manner.

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