Our Team

Management Team

Johan Wethmar
B.Sc. (Eng)., M.Sc. (Eng)., Pr Eng. FSRM

Overall responsibility for Captive Management function and Reinsurance with more than 20 years experience in Captive Management

Andrew Wethmar
A+, System Engineer and Network Administrator
Director of SRS

Management Information, System Engineer, Web Master, Overall responsibility for computer systems and disaster recovery, with 10 years experience

Brett Wethmar
B.Econ.Sc (Hons), FASSA, FIA (UK)
Director of SRS

Actuarial, Underwriting, Statutory, FSB, Regulatory, Investments. Proposed Captive Manager and Public officer with 10 Years experience

Follow the links below for our Management Team's Abbreviated Curriculum Vitae

Technical Accounting Team

Camilla Kasaval
Technical Accountant

Camilla studied Accounting at the University of Free State. Since then she has gained valuable experience by working in both Accounting and Insurance roles and in the revenue service. Camilla joined Sigma in January 2015 and has since been an integral part of the team, where she maintains Monthly management accounts and assists with annual audits, financial statement requirements and statutory returns.

Jean Ho
Technical Accountant

Accounting and Administration

Jean has been involved in financial accounting for more than 18 years and has vast accounting experience in accounting firms, having also worked as financial manager in various companies. Employed at SRS for the last 6 years as Technical Accountant, Jean has been handling all financial accounting and statutory submissions for various captive insurance clients of SRS.

Jean's prior work experience includes an Australian stock-broking firm, where she acquired knowledge of stock exchange requirements, devised and designed general ledger accounting systems for several group companies that dealt with client monies, share trading profits and losses, and capital adequacy reporting and monitoring.

Development Team

Jaco Hamilton-Attwell
Web Developer

Web development, SQL DBA and IT support

Jaco started as a Delphi/C# software developer in IT in 2000 for a small development house that focused on warehouse management systems. Since then, his career path led him from to an accounting consulting firm as a Microsoft / Linux Systems Administrator, a Motor/Transport development house as a PHP web developer, to the banking industry as a C# Analyst Developer, to the ICT Sales industry as a Web Master and finally to SRS in the Insurance industry as a C# Developer.

This wide variety of industries and companies has provided Jaco with a well-rounded knowledge and understanding of the IT world. From dirty crawlspaces to executive boardrooms, from text based HTML pages to database and system design sessions; all providing knowledge and experience.

Legal & Compliance

Morne Steenkamp
Legal and Compliance, Secretarial, CIPC

Morne is not known for taking the conventional route. After spending considerable time on community development projects in West Africa, Central Asia, and Europe he obtained his master’s degree in Theology from the University of Pretoria. He spent several years working as a minister in Gauteng before starting to work in the Insurance Industry as a Customer Service Specialist. In 2014 Morne moved to a Compliance Auditor role and has since obtained qualifications in Business Management from Milpark Business School and Compliance Management from the University of Cape Town. Morne has also successfully completed the FAIS regulatory examinations and several business courses.


Lizzy Straus
Claims Analyst

Analysis of Claims data, Loss forecasting and actuarial support with FSB reporting

Lizzy studied B.Sc (3) in Actuarial Sciences at the University of Pretoria and is currently completing a degree in Applied Mathematics and Statistics at Unisa. In addition to the analytical function Lizzy also assists with systems development where her analytical skills are used to enhance the Management Information System output.

Sigma Risk Solutions (Pty) Ltd
Reg. No. M1993/004910/07
Authorised FSP License No.: 4348
FSP Representative: BC Wethmar
© Copyright 2020. All rights reserved