About Us

Chisl was founded out of a desire to help businesses unlock the power of the latest technology. Our co-founders have deep technical expertise and with their years of experience realised the need to help businesses utilise the latest technologies in a pragmatic way. Due to the complexities and rapid changes in technology it becomes difficult for businesses to sieve through technological solutions that will have a meaningful impact. Our unique combination of pragmitism, continuous learning and deep understanding allows Chisl to design and implement impactful solutions using the power of latest technologies.


Our Team

Co-founder & Director

Willem has more than 20 years' experience, seven in the UK of which the bulk was with J.P. Morgan London, and ten with Barclays Capital Africa, now Absa, in South Africa. He obtained an M.Sc Business Analytics from Imperial College London majoring in advanced machine learning, is an alumnus of the New York Data Science Academy, and a qualified chartered management accountant in the UK.

Co-founder & Director

Dirk has 23 years' experience of which seven was with Deutsche Bank UK, ten with Barclays Africa, now Absa, and five with Rand Merchant Bank in South Africa. He is a qualified actuary (FFA) through the UK Institute and Faculty of Actuaries, and a CFA Charterholder.

Data Engineer

Guillaume is an experienced data engineer and spends most of his time building cloud infrastructure and web applications. He holds a B.Eng (Computer) and M.Eng (Mechatronics) from Pretoria and Stellenbosch University respectively, and is AWS certified.

Data Scientist

Aidan has 5 years' experience in management consulting and banking in South Africa. He holds a B.Eng (Mechanical) and an M.Phil (Data Science) from the University of Cape Town. He also holds the CQF designation.

Data Engineer

Kayla is an experienced data engineer and spends most of her time processing big data using Python and R. She holds a B.Eng (Mechatronics) from Stellenbosch University and is currently working towards her AWS practitioner qualification.

Data Engineer

Neil specialises in creating data pipelines and world-class dashboards using Python and R. He holds a B.Eng (Industrial) from Stellenbosch University and is currently working towards his AWS practitioner qualification.

Data Scientist

Reuben has 5 years' international experience working at top global investment banks. He holds a B.Eng (Industrial) from Stellenbosch University, is an FRM charterholder, and is currently completing the Artificial Intelligence Professional Program at Stanford University.

Data Engineer

Dandre has 3 years’ experience in the telecommunications industry with a proven track record in business process optimization and project management. He holds a BSc Eng. (Chemical) from the from the University of the Witwatersrand, and is AWS certified.

Data Engineer

Charles builds web applications and data-pipelines using JavaScript and Python frameworks. He holds a BSc (Computer Science) from the University of the Witwatersrand and is currently working towards his AWS practitioner qualification.

Data Analyst

Arantxa analyses large data sets and generates management reports using Python, R and some SQL. She holds a BScHons (Biokinetics) from the University of Pretoria where she developed an interest in data in her final year during a large-scale research study. Arantxa is AWS certified.


Happy Clients.


Years of Combined Experience


Projects Completed

Our Skillset

Data Engineering

Machine Learning

Analytical Insights

Dashboard Reporting

Cloud Solutions

Process Automation

Our Companies


Chisl SA

Our financial services consulting arm, leveraging the vast experience of our co-founders to provide cutting-edge solutions to traditional financial services problems.


Chisl UK

Our UK based operation where we provide financial services consulting as well as a broader array of analytical services.



We provide consulting services to various business units within companies across sectors. Our services range from bespoke OCR solutions to cloud development and the application of machine learning solutions.



We provide asset verification services using machine learning and drone technology. This assists both farmers in efficient livestock management and the financial sector in asset monitoring.


Analyse. Optimise. Transform.

© 2021 Chisl Group. All rights reserved