Jaco is a lecturer in Information Systems. He started his career in IT as a lecturer at the University of Pretoria in 2000. For the past 17 years he developed and given lectures in data warehousing, data mining and systems analysis and design at the department of Informatics, and also various places including Kumasi, Ghana and Joensuu, Finland. He has a keen interest in spatial data relating to data warehousing, data mining, and Geographic Information Systems. Currently his interest has shifted towards the relationship between data warehousing, data mining and knowledge management.