Alta Rossouw was trained by The Israel Polygraph Institute in 1990.She obtained a BA (HED) at the University of the Orange Free State before she joined the National Intelligence Service. Here she spent the next twenty years, gaining experience in investigations, intelligence and polygraphy. Alta also completed a course in Chart Interpretation and Numerical scoring with the Academy for Scientific and Investigative Training from the USA (2000). Alta joined PISA in 1997.