Bound by the Society's Code of Ethics and Standards of Practice, and holding individual certification from the American Polygraph Association.
Marc Bester is listed as a Member of the British Polygraph Society and is recognised as a fully certified polygraph examiner.
Member status indicates that the examiner has provided evidence of formal polygraph examiner training, certification, and professional competence. This membership category is reserved for practitioners who meet the standards required for inclusion in the British Polygraph Society professional member directory.
This verification helps clients, legal representatives, employers, and members of the public confirm that Marc Bester is a genuine listed polygraph professional.
Marc Bester is bound by the Society's governing documents — Code of Ethics, Standards of Practice, Membership Regulations, and the Complaints, Discipline & Appeals Procedure.
If you believe this examiner has breached the Code of Ethics, you may submit a written complaint to the Secretary.
Profile last updated 8 June 2026.
