Thunder Enterprises was founded by Kirill Gromov, a veteran of the Russian Armed Forces. After Gromov’s military service, he worked as a personal protection agent for both private clients and business organizations throughout Russia, Central Asia and Eastern Europe.

After moving to Oklahoma, Gromov entered the field of private investigations and security. His extensive experience in military and civilian environments enabled him to create a successful multi-faceted agency.

In addition to his work in the investigative and security fields, Gromov is an Oklahoma Certified Peace Officer and serves as a reserve Deputy with the Tulsa County Sheriff's Office.