Team Members

Professional polygraph examinations and lie detector testing in Johannesburg, Pretoria, Midrand, Centurion, Gauteng, South Africa and Africa

Charles Allen Kemp received his BA degree at the University of Pretoria with Psychology and Criminology as his main subjects in 2008. In 2009 he attended the American International Institute of Polygraph (AIIP) (SA); an American Polygraph Association accredited polygraph training institution, where he completed his training as a polygraph examiner under the instruction of Mr Charles E. Slupski and Ms Estelle Dreyer. Subsequently he completed an internship at the Polygraph Institute of South Africa. He started working at the Polygraph Institute of South Africa in September 2009 and has administered polygraph examinations in six different countries.

Polygraph and lie detector testing in Johannesburg, Pretoria, Centurion, Midrand, Gauteng, South Africa and Africa

Johan Stiglingh completed his polygraph training with the Israel  Polygraph Institute in 1990. He spent seventeen years in the National Intelligence Service, where he was primarily involved in  Counter- Intelligence. He has extensive experience in personnel screenings and investigations, and was in charge of the polygraph unit of the National Intelligence Service for two years. Johan joined PISA in 1996.

Professional polygraph and lie detector testing in Johannesburg, Centurion, Midrand, Pretoria, Gauteng, South Africa and Africa.

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.

Professional psychometric assessment evaluations in Johannesburg, Centurion, Pretoria, Midrand, Gauteng, South Africa and Africa.

Arinda Grobler started working at the PISA Integrity Assessment Centre as a psychometrist  and recruitment and verification consultant in October 2004. As a registered psychometrist (Independent practice, PMT 0073555) she is directly involved in psychometric testing, recruitment, selection and verification of personal credentials of candidates. She received her BA degree in 2001 with Psychology and Industrial Psychology as her main subjects at the Rand Afrikaans University as well as her BA Honors in 2002. She passed the registration examination for psychometrist (supervised practice) in 2003 and the registration examination for psychometrist (independent practice) in June 2011.

Polygraph and lie detector testing in Johannesburg, Pretoria, Midrand, Centurion, Gauteng, South Africa and Africa.

Joanette Karsten was trained by the Academy for Scientific and Investigative Training from the USA in 2011 by Nathan J Gordon. Joanette also completed a course in Chart Interpretation and Numerical scoring with the Academy for Scientific and Investigative Training from the USA. Joanette joined PISA in 2012.

Professional polygraph and lie detector testing in Johannesburg, Pretoria, Midrand, Centurion, Gauteng, South Africa and Africa.

Chris Karsten was trained by the Academy for Scientific and Investigative Training from the USA in 2013 by Nathan J Gordon and Essam Ali Gamal El Din. Chris also completed a course in Chart Interpretation and Numerical scoring with the Academy for Scientific and Investigative Training from the USA. Chris joined PISA in December 2013.

Professional polygraph and lie detector testing in Johannesburg, Pretoria, Centurion, Midrand, Gauteng, South Africa and Africa.

Hendrik van Rooyen completed his polygraph training with the Israel Polygraph Institute in 1985. He obtained a B Admin degree at the University of South Africa. Hendrik was an officer in the South African Defence Force from 1972 to 1974, after which he joined the National Intelligence Service. He assisted with the establishment of polygraphy in the National Intelligence Service, as well as in other government agencies. Hendrik gained extensive experience in all the disciplines of Counter-Intelligence, specialising in personnel security. He is a founder member of PISA. To date Hendrik van Rooyen provides consultation and advice for the PISA Integrity Assessment Centre.

Professional and accredited and polygraph examinations and lie detector testing in Johannesburg, Pretoria, Midrand, Silverton, Centurion, Gauteng, South Africa and Africa.

How Can We Help You?

Do not hesitate to contact the PISA Integrity Assessment Centre and let our years of experience work for you. Whether you would like to make a booking, ask for a consultation or would like more information on how our multitude of products and service can benefit your business, we are ready and eager to assist in any way we can. For polygraph examinations, psychometric assessments, tailored pre-employment screening programs, continuous integrity management programs or assistance with a specific investigation, the PISA Integrity Assessment Centre is your all-in-one service provider. We have a solution to fit your needs, and your budget.

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