Wednesday, July 26, 2017
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Our Staff

Nick Flint

Nick Flint is the founder and President of the Behavior Analysis Training Institute, Inc.   He is a 23 year veteran of law enforcement, serving as an investigator and Chief Polygraph Examiner with the Sonoma County Sheriff's Department in Santa Rosa, California.  He has investigated over 200 homicides and received the Distinguished Service Award by the Sonoma County Board of Supervisors for his work in the Ramon Salcido mass murder case.

Mr. Flint is the creator of BATI's innovative and highly rated "Investigative Interview and Interrogation" course which has now been presented to over 24,000 California criminal justice professionals in 26 years of training delivery.   He is recognized as a "Subject Matter Expert" by the California Commission of Peace Officer Standards and Training.

He is also a Master's candidate at the California State University at Sonoma in the field of Psychology with a concentration in Forensic Psycholinguistics. He also developed BATI's Cognitive Interview & Forensic Statement Analysis course as a part of his Master's project.Mr. Flint is in high demand as a speaker and lecturer for many law enforcement organizations and professional associations throughout the United States. As the Director of BATI he continues to do a considerable amount of consultation for various law enforcement organizations in homicide and other serious cases.If you have a case that can’t be solved conventionally, contact Mr. Flint and the BATI organization.


Cliff Nannini

Cliff joined the Newark, CA Police Department where he retired as a Captain after 30 years of service. His experience included lead investigator assigned to child abuse and sex crimes, and Commander of the Patrol, Administrative and Detective Divisions. After leaving Newark, Cliff served in post war Bosnia as Chief of Discipline for the United Nations Internal Police Task Force, where he honed his interrogation skills working with police officers from 44 nations.

He also served as Senior Police Advisor to the Macedonian National Police Force and the National Police of Azerbaijan. Cliff holds a Master’s Degree in Management and is a graduate of the California Command College.

Richard Kimball

Rich Kimball retired from Law Enforcement as the Undersheriff for the Nevada County Sheriff’s Department in 2011.  His career started at Santa Cruz Sheriff Department transferring to the Sacramento Police Department in the mid 80’s. 

Rich was assigned to investigation at all three departments during his career working Homicide, Child Abuse/Molest, Gangs and Narcotics.  He has testified in Court as an expert witness and has a Masters Degree in Business Management.  Rich himself was a student of B.A.T.I. and is now an Instructor for the Institute.


Ron Gilbert

Ron Gilbert has over 30 years of law enforcement experience and has been teaching for BATI since 1997. He recently retired from the Los Angeles County Sheriff's Department as a lieutenant. During his tenure with LASD, he was a Field Training Officer, a station level investigator, instructed at the academy, was an Analytical Interview instructor, oversaw the field training program, has testified before the California Senate's Public Safety Commission, and was on the committee for POST that developed the Supervisory Development Guide. As a sergeant he worked as a patrol and administrative sergeant, a Department Advocate, and was a graduate from the Sherman Block Supervisory Leadership Institute.

As a lieutenant he most recently oversaw the units that administered a multimillion dollar Inmate Welfare Fund. Ron has received the prestigious Footprint Association's Peace Officer of the Year award and has been awarded the Department's Medal of Valor.

Loren Cattolico

Loren is a retired police chief with over 30 years of law enforcement experience. He worked for several years as an investigator and his assignments included property crimes, narcotics, crimes against persons and sex crimes. After promoting Loren returned to supervise a number of those assignments as a Sergeant and then again as a Lieutenant. Loren possesses an adult education lifetime teaching credential and has over 15 years experience teaching law enforcement personnel in P.O.S.T. settings. He finished his career as a Chief for a municipal policing agency in Sacramento County. Since retirement Loren has worked exclusively for BATI and has taught Interview and Interrogation throughout California.

Ricardo Fuentes


In 2013, Ricardo Fuentes retired from the California Highway Patrol, as a criminal investigator, after 20 years of service.  He investigated a myriad of criminal cases involving crimes against persons, crimes against property, and other felony and misdemeanor crimes.  Ricardo completed the POST’s Master Instructor Core Course in 2009 and worked as an adjunct instructor with the Tulare-Kings Counties Peace Officer Academy from 2003 to 2006.  He was also part of the criminal justice adjunct faculty staff and taught related courses with Heald College and ITT Technical Institute from 2006 to 2012.   In addition to his primary instructor duties with BATI, Ricardo currently serves as the chief polygraph examiner and conducts examinations throughout the state.  He is a member of the American Polygraph Association and the California Association of Polygraph Examiners.

Ricardo completed 20 years of combined service with the US Air Force and California Air National Guard.  He is a veteran of the first Gulf War and flew operational missions as a B-52 gunner in the US Air Force.  From 2001 to 2003, Ricardo was activated in support of Operation Iraqi Freedom and conducted combat search and rescue missions in Iraq as a gunner on H-60 helicopters.  He honorably retired from military service in 2009 as a First Sergeant. 


Joan Flint

Joan Flint is the Administrator of the Behavior Analysis Training Institute. 


Class Updates

Dates just added:

Sept. 11-15, 2017 Pleasanton, CA

Sept. 25-29, 2017 South Lake Tahoe, CA

See Course Calendar for more dates.

We are pleased to announce our Investigative Interview & Interrogation class is now STC Certified.

Contact Us

(707) 528-9511