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Pieter van Zyl


Pieter van Zyl

Dr Pieter van Zyl obtained his PhD in Computer Science, specialising in Information Security. He performed in various executive roles during his career, including strategic planning, business architecture, and process management.

He is the chief architect of Demixium, a holistic process improvement body of knowledge covering various process domains, addressing the what, how and how to measure for each of these domains.

He is a certified high maturity CMMI Benchmark Lead Appraiser and instructor.




Jared Twigg


Jared Twigg

Jared Twigg is a Director of Demix (Beijing) Information Technology, The Appraisal services Program Manager for the Asia region, Candidate CMMI for Development Lead Appraiser and Instructor, and Senior Consultant.

Jared has 12 years’ experience in the I.T. industry with 10 years Management experience and knowledge of multiple best practice models and methods including CMMI, Agile, Waterfall, ITIL & P3M3.

Jared is a 6-Sigma and CMMI high maturity concepts instructor. He has supported Lead Appraisers globally in more than 80 SCAMPI Class A Appraisals as an Appraisal team member of which witch more than 25 are High Maturity.

Francois van Niekerk


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Francois van Niekerk has been involved with various aspects of Information & Communications Technology (ICT) since 1980. He completed his BSc Computer Science degree in 1979 and BSc (hons) degree in 1989.

He has managed various development projects as project / programme manager, in the banking industry. He also worked extensively in the ICT Architecture areas for South African banks and Eskom, the major Electricity utility in South Africa. Francois assisted Eskom to establish an IS Portfolio Office and implement portfolio management tools for the ICT and engineering fields.

While consulting in the industry Francois has always stayed involved in the academic fields, assisting the South African Qualifications Authority to develop outcomes-based qualifications for the ICT industry, acting as the African regional moderator for NCC Education, a UK based education company.

Francois has more recently expanded his interest in quality assurance into the process improvement field and has been a certified CMMI Lead Appraiser since 2016. In 2019 he completed a Post Graduate Diploma in Business Administration (Operations & Logistics) in Auckland, while assisting Demix to expand its global footprint.


Francina Botha

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Francina Botha is a Director of Demix New Zealand Limited and involved in Information Technology Industry since 1985. She has experience with Software CMM and CMMI since 2001.

She worked in various industries like Petro Chemical, Retail, and Financial Institutions supporting various systems in those sectors. Francina was also project manager for the governance and implementation of Software Orientated Architecture in one of the major banks in South Africa. She was the project manager responsible for the implementation of processes (SEPG) in one of the major banks when they were successfully appraised at CMMI Level 4.

· IBM Certified SOA Associate (2008)
· SEI Certified Team Software Process Coach (2010)
· SEI Certified Personal Software Process Developer (2010)
· CMMI Associate
· Certified ATM CMMI V2.0 Development
· Certified BC Team Lead CMMI V1.3 Development
· Certified Lead Appraiser CMMI V1.3 Development
· Certified Lead Appraiser CMMI V2.0 Development
· Certified Lead Appraiser CMMI V2.0 Virtual Solutions Delivery


Andries van der Walt


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Andries is an IT Strategy, Architecture and GRC with more than 25 years’ experience in IT management and enterprise scale solution delivery. He currently holds B.Eng. and MBA degrees.

He has worked extensively across Financial Services, Government, Energy and the Mining sectors in countries cross the globe. He has lead the IT Department of one of the highest rated insurance companies in South Africa and has also been deeply involved in the solution design and implementation of a new business platform for a multinational organisation. Other projects included working with several international and multi-national organizations on IT Governance and establishing an EA capability within a ministry of a significant country. Furthermore, he has assessed the cybersecurity  and privacy capabilities of several large organisations.

Andries is also the architect and technical lead for the ASSESSIUM.PRO assessment and appraisal platform.

· Certified CMMI V2.0 Lead Appraiser (with Virtual Solutions Delivery)
· Certified COBIT Lead Assessor
· Certified COBIT 2019 Implementor
· Certified in the Governance of Enterprise Information Technology
· APMG Certified Instructor for COBIT 2019 Foundation and Implementation

· Togaf 9.2 Certified Enterprise Architect

 Joan van Zyl



Joan van Zyl studied at the Rand Afrikaans University and is the Managing Director of Demix Pty Ltd for 10 years. She oversees all business administration services for Demix which includes contracts, annual audited financial results, taxation, payroll and general accounting services. Together with her management team, they set business strategy on a regular basis.

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