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Gregory Muller


Chief Operations Officer


Colonel Gregory Muller is a 27 year veteran of the Illinois State Police. He retired from the department in December 2012 as the Illinois State Police First Deputy Director responsible for the daily management and operations of all 3000 employees. He has years of experience in management, police operations, investigations, interdiction and interrogations. He has worked with government and law enforcement agencies at the local, state and federal level. 


Col. Muller is a graduate of Northwestern Illinois University, School of Police Staff and Command.  He joined the ROSS Agency in 2013 and currently serves as the Chief Operations Officer.  He is a licensed private detective. 

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