Meet our Team


Johan Deysel

Co-Founder & Director


Johan is one of iSERT's founding members and specializes in EMC, Performance & Safety testing. He's also the company Finance manager.


Favorite beer: Stella Artois

Riaan van den Berg

Co-Founder & Director


Riaan is one of iSERT's founding members as well as our resident RF test and RF performance optimization Guru.


Favorite beer: Castle Light

Heinrich Olivier

EMC & RF Test Engineer


Heinrich is our very dedicated specialist RF Test Engineer as well as being proficient in a number of EMC test standards.


Favorite beer: Stella Artois

Lizette de Vries-Venter

Senior Safety Test Engineer


Lizette has an impressive CV longer than most of the short stories she writes in her spare time. She's our super experienced senior safety engineer.

Favorite beer: Non-alcoholic

Ernest van Niekerk

Safety & Performance Test Engineer


Ernest is the company’s ladies’ man, working alongside Lizette as a very capable safety engineer.



Favorite beer: None
Other drink: Flying Fish

Francois Joubert

Junior EMC Test Engineer


Francois is the youngest member of our team. He will be working alongside other team members to assist with EMC testing.


Favorite beer: None
Other drink: Coffee