Theuns, founder and owner.



My name is Theuns Dirkse-van Schalkwyk.
I have 30 years of experience in mechanical & industrial engineering projects and love solving complex problems.

I’m the founder of 90Plus Works, an engineering entity who wants to help you to improve your business.

I’m currently available for consultations. I’m based in Stellenbosch, but can travel or collaborate remotely.

Having graduated with degrees (PhD, MSc and B) in industrial, mechanical and business administration, I am what may be considered a generalist engineer and have worked in many cross-disciplinary projects.

Process to achieve: Inquire, envision and inspire.
Values to emulate: Integrity, mastery, quality, joy and compassion.
Preferred working environment: Innovation, design and improvement focused projects or development and research of new products and processes.

Cabilities: Strategic systems thinking and modelling, creative solutions, innovation, understanding complexity, design and problem-solving through the use of process and data analysis, process design, programming (R, Python, JavaScript) and simulation.


Previous work for:
SlipaMed (injection mould), IBS Germany(train scheduling), RSA Government task force (“National Strategy on Micro-manufacturing”), Mecoladder Capetown (design of a automated ladder manufacturing machine), Altech (Systems Engineering and software training), Spoornet Cape Town (business process reengineering, ISO9000, scheduling and quality control), GoAir (software development for simulation of stirling engines), and SpaceBric(Pty)Ltd (manufacturing and software)



email: 90plusworks@protonmail.com

Our standard contract is meant to protect your IP, but you are welcome to draft your own contract if you prefer.