Our polygraph testing utilizes only the best technology which undergoes rigorous quality controls to ensure the correct results are obtained and verified.
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Consent is always obtained before testing and an examinee is never forced to undergo the testing without proper consultation and will always be given the right to refuse a test. Research has shown that the accuracy of the latest computerized polygraph testing techniques is 98%.
​​Our Mission
It is to provide a cost-effective polygraph solution to our clients and address specific concerns professionally to minimize risks and satisfy the client’s needs.
We strive to conduct polygraph examinations with integrity and in a professional manner to:
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Promote honesty and integrity in the workplace
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Curb loss
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Increase efficiency
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Prevent discrimination and unjust accusation​
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About the Team
At Tzedek Polygraph, we take pride in working with highly skilled and qualified polygraph examiners who share our commitment to truth, justice, and integrity. Each examiner brings a wealth of experience and expertise to ensure that our clients receive the most accurate and ethical service possible.
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Our team is passionate about maintaining the highest standards in polygraph testing, adhering strictly to industry best practices, and continuously improving their skills to stay at the forefront of the profession.
Natalie Marler - Lead Polygraph Examiner
With over seven years of experience, Natalie Marler is a certified polygraph examiner who trained at the prestigious Polygraph Academy. She has conducted examinations across diverse fields, including mining, construction, and retail, and has extensive expertise in resolving workplace disputes and assisting in investigations. Natalie is also qualified to serve as an expert witness in labor-related cases at the CCMA. Her professionalism, attention to detail, and unwavering commitment to fairness make her an invaluable part of the Tzedek Polygraph team.
Rene Impey - Certified Polygraph Examiner
With extensive experience in the field of auditing and internal controls. Rene Impey has a background in biological sciences, she applies her skills and inquisitive mind to her polygraph investigations, adhering to high ethical standards and integrity. Rene completed her polygraph qualification at the Polygraph Academy in 2022. She has since then conducted examinations in various industries including security, logistics, law and retail. Her dedication to her profession and strong ethics makes her an indispensable part of the Tzedek Polygraph Team.
Industry Affiliations
The Polygraph Academy
The Polygraph Academy was established in 2015 by Trevor Henn and Deon Groenewald, Directors of the Academy, to ensure ethical administration and interpretation of polygraph examinations in Africa, rooted in the APA accredited programs and focused on South African and African requirements and unique needs.
PEAI
PEAI (Polygraph Examiners Association International) is a self-regulated, Non-profit Organization established in January 2019 to create a community of polygraph examiners with high standards of practice. PEAI places ethics above all else.