Guillermo “Gil” Witte is a published polygraph examiner and an instructor for world-renowned PEAK Credibility Assessment Training Center. Mr. Witte has been a keynote and guest speaker at numerous national and international conferences. Mr. Witte has also successfully developed polygraph programs from the ground up in foreign countries. Mr. Witte has experience in the public, private, and government sectors.

Mr. Witte has a background in psychology and has native command of Spanish.

Mr. Witte is a member of the American Polygraph Association (APA). Mr. Witte is also a Past President of the California Association of Polygraph Examiners (CAPE). Gil was awarded the 2021 Jack Trimarco Award from the California Association of Polygraph Examiners for exemplary loyalty, performance and contribution to CAPE.

All exams adhere to testing standards and recommendations set forth by the American Polygraph Association.