Exactus Polygraph Solutions & Investigations was started with the goal of providing clients with a broad range of polygraph and investigation solutions. David Wessels received his internationally accredited qualification as a Forensic Psychophysiologist from the American International Institute of Polygraph. He is currently a member of S.A.P.P.A (South African Professional Polygraph Association) as well as the A.P.A (American Polygraph Association).