Ken Bates is the President and Lead Investigator of Bates Investigations. He spent nine years on the Austin Police Force before becoming licensed as a Private Investigator in 1983. He founded Bates Investigations in 1988. He is qualified as an expert witness regarding Electronic Countermeasures before Grand Juries in Federal and State Courts. He is a member of the National Association of Legal Investigators, the American Society for Industrial Security, and the International Association of Bomb Technicians & Investigators. 

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Kimberly Armstrong joined Bates Investigations as a Private Investigator in 1999. She graduated in 1997 from the University of Minnesota with a Bachelor of Science in Biology. She is a member of the National Council of Investigation & Security Services.

Pansy Narendorf was added to the Bates Investigations team in 2002. She is a Private Investigator licensed by the Texas Department of Public Safety Private Security Board. She graduated with a Bachelor of Science in Architectural Studies from the University of Texas at Austin in 1997.

Adrienne O'Keefe began work with Bates Investigations in 2004. She graduated with a Bachelor of Science in Applied Learning & Development from the University of Texas at Austin in 1999. She is a Private Investigator licensed by the Texas Department of Public Safety Private Security Board.

Shari McMillan joined the Bates Investigations team in 2008. She is pursuing an Associate's Degree of Applied Sciences, Criminal Justice at Austin Community College. She is a licensed Private Investigator with the Texas Department of Public Safety Private Security Board.