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Decision Support Consultants

Margariet Lumgair

Senior Decision Support Consultant

[email protected]

Margariet Lumgair Decision Support Consultant South Africa


Tiaan Ackermann

Senior Decision Support Consultant

[email protected]

Tiaan Ackermann - Decision Support Consultant South Africa


Suzaan van der Zee

Junior Decision & Project Support Consultant

[email protected]

Suzaan van der Zee - VBKOM Industrial Engineering - Junior Decision & Project Support Consultant


Johan Erasmus

Junior Decision Support Consultant

[email protected]

Johan Erasmus - VBKOM Industrial Engineering - Junior Decision Support Consultant


Margariet Lumgair

Decision Support Consultant

Margariet Lumgair Decision Support Consultant South Africa[email protected]

I am a Decision Optimiser at heart.  In my mind I continuously analyse different decision options, and evaluate patterns to firstly identify the most probable option to be successful and secondly the most simple and elegant approach to implement it.

I loved mathematics and science in school and enjoyed working with people, so I decided to study Industrial Engineering.  I graduated in B.Eng (Industrial) with the University of Pretoria in 1999.  I started my career in Industrial Engineering as a Graduate in Training in the mining industry and worked on a number of business improvement projects where cost reduction and process improvement was usually the focus.  From the beginning I was intrigued to understand what makes people excel at what they do and how we can apply and develop our teams to their best potential.  Consequently, in 2004 I turned my focus to the Human Science side of business and spent the next 6 years implementing innovative learning strategies for companies, mostly in the aluminium industry, to improve product quality and throughput, reduce waste and reduce human error. 

After working on a number of feasibility studies for new mine development projects, I decided to focus on decision support as a specialisation area for the rest of my professional career and joined the VBKom team in 2013 as Decision Support Consultant.  Since then I have worked on a number of projects, mostly providing services in risk management and operational readiness. I enjoy the dynamic and unpredictable nature of the project world and I strive to continuously improve my ability to add value through empowering informed decision making in uncertainty.

At home, I share my life with my husband, daughter, two boys and our Golden Retriever. Together we create unforgettable memories exploring interesting rock climbing destinations in South Africa. 

Tiaan Ackermann

Decision Support Consultant

Tiaan Ackermann Decision Support Consultant South Africa[email protected]

I am the sociable engineer. From an early age, I have loved connecting with all kinds of people, discovering their life stories, and learning that everyone is completely unique in their own way. Apart from my passion for people, I am utterly euphoric about the work I do as an Industrial Engineer because it allows me to support and improve businesses, and do my part in building a bright future in South Africa and other African countries.

My typical day is spent at the VBKOM Centurion office or at a client’s site, in my role as Mining Decision Support Consultant where I employ a wide variety of specialised techniques to solve problems, support decision-making, and make my clients’ lives much easier! When I’m knee deep in a project, I get a sort-of geeky joy from applying my engineering toolkit, which includes Financial Modelling, Monte Carlo Simulation, Visual-Basic Programming, Operational Readiness, Project Documentation, Process Mapping, and Data Analysis. Most of my experience resides in the Coal and Iron Ore mining sectors, ranging from Capital projects with Front End Loading Stages, to Operational activities such as priming and detonating an explosive blast! I am internationally accredited in Project Management as a PRINCE2 Practitioner, which together with my engineering background and focus on people enables me to effectively deliver successful results in complex project environments. Above all, my Golden Rule is to always have fun and keep it simple!

I am driven to establish and build authentic relationships with everyone I meet, especially my clients. This can mean many things, but specifically to me it originates from an uncompromising quality of work, integrity, and transparency in communication. I am a firm believer in doing things better than before (improvement), adding additional value with change (innovation), and staying alert for opportunities (agility). I am drawn to people and relationships because I believe that people lie at the heart of any business’ success or failure. I realise the potential value that people can give is supreme to the value of technical assets on their own, and to harness each person’s strengths in the right environment will most definitely give that business the edge to be a market leader. To understand people is to engineer success, and that is what makes my job so extremely fun and exciting!

Suzaan van der Zee

Junior Decision & Project Support Consultant

Suzaan van der Zee - VBKOM Industrial Engineering - Junior Decision & Project Support Consultant [email protected]

In 2016, I graduated with a degree in Industrial Engineering from the University of Pretoria.

Reigning from a small town in Limpopo (Tzaneen), adapting to the lifestyle in Pretoria was one of the biggest mountains I’ve ever had to overcome, but now I wouldn’t want to live anywhere else in the world!

I look forward to the new chapter in my life with VBKOM – I know it will be an unbeatable and invaluable learning experience.

Besides work, I occupy my time by enjoying cocktails or wine with my friends, spending time in the outdoors with my boyfriend, and driving my sister crazy.

I also enjoy reading fiction, and will never watch a movie based on a book, before reading the book!

Johan Erasmus

Junior Decision Support Consultant

Johan Erasmus - VBKOM Industrial Engineering - Junior Decision Support Consultant[email protected]

From a very young age I had a knack for solving problems and contributing to the greater good of the community, so enrolling in Industrial Engineering at the University of Pretoria was an ideal fit.

Simulation modelling was one of the subjects with which I naturally connected. I spent a lot of time trying to create my own little simulations. I believe I am very fortunate to have this golden opportunity to deepen my knowledge in this field that I am so passionate about while working at VBKOM.

The time at University that I didn’t spend behind books I spent behind a microphone at TuksFM as a radio host of various shows, acquiring two SA Radio Award nominations and a weekly estimate of 30 000 listeners.

After graduating in 2015, I joined Central South Africa's leading commercial radio station, OFM, as the host of The Weekend Breakfast and Your Early Morning. The radio industry was a lot of fun and excitement. Entertaining thousands of people every day was a privilege, but it didn’t fulfil me. I missed solving problems, I missed contributing to the greater good of the community and I missed the challenge.

The challenges and opportunities within the Mining sector in which VBKOM is so heavily invested is something that excites me more than I could’ve ever imagined. South Africa is filled with countless riches - more than just the minerals in the ground. The industry built around those minerals vibrates with an amazing community and intriguing problems.

My hobbies include playing guitar and piano. If I have a few days off, I usually spend it on my family’s farm in Namibia or scuba diving in Mozambique.