About Us

Discover ET-Global

Meet the dedicated team at ET-Global, a diverse and dynamic group of professionals who make our world-class engineering services possible. Our team comprises of talented engineers who bring years of industry-specific experience, innovative draughtsmen who transform ideas into reality, and our efficient administrative staff who ensure seamless operations.

Each team member plays a crucial role, contributing their unique skills and passion to our collective vision. From intricate design and rigorous analysis to seamless project management and exceptional customer service, our team’s commitment to excellence is reflected in every aspect of our work. We invite you to get to know the individuals who drive our success and uphold our reputation as leaders in the marine, mining, and oil & gas industries.

Our team boasts exceptional qualifications, perfectly poised to fuel your business expansion.

Managing Director

Mark Hewitson

Managing Director
P.Eng (int), Pr.Tech(Eng), ASAIMENA

Mark has 40 years of structural engineering experience in land based and offshore mining. He is responsible for company strategy, client liaison and high-level project planning.

Lead Engineers

Dario Arpesella

Civils Manager & Structural Engineer B.Tech (Eng)

Dario is a Structural Project Leader (SPL) and head of reinforced concrete (RC) engineering design.


Renier Esterhuizen

Techincal Manager & Structural/Mechanical Engineer B.Eng (Hons), Brighton, UK

Renier is a Senior Structural Project Leader (SSPL) responsible for mechanical engineering designs and material handling.

Justin Williams 

Operations Manager & Structural Engineer – BEng (Hons)(Stellenbosch)

Justin is a Structural Project Leader (SPL) and specialises in structural dynamics (natural frequency and harmonic tuning).

Matt Louw  

SIMM Manager & Structural Engineer Pr.Tech (Eng)

Matt is a Senior Structural Project Leader (SSPL) and Manager of Et-SIMM (site inspection company).


Nichol Wall

Structural Engineer B.Tech (Eng)

Nichol is a junior structural engineer and specialises in reinforced concrete (RC) engineering design.


James Boyes

Structural Engineer – BEng (Hons)

James is a junior structural engineer and specialises in structural steel designs.

Lead Draughtsmen / BIM Team


Willie Morland

Structural Draughtsman

Willie is a Senior Structural Draughtsman specialising in reinforced concrete (RC) modelling and detailing.

Dani’yal Maneveld

Structural BIM Modeller

Dani’yal is responsible for creating and managing detailed digital models of building structures using Building Information Modeling (BIM) software.

Stacey Moses

Structural Draughtsman
Document Control

Stacey is a Senior Structural Draughtsman and Checker. In addition, she is the Document Control Manager in charge of the receivables/deliverables management.


Finance & Administration

Tracey-Leigh Deiner

Accounts Manager

Tracey manages the accounts division and is responsible for monthly, yearly accounts as well as strategic financial planning.

Sue Maguire

Admin & Software Sales

Sue is responsible for the day to day general office admin as well as Strand7 FEA sales & support.

Voices of Success: Our Client Testimonials

“ET-Global has positioned itself in Anglo American and specifically De Beers Group as one of our preferred go-to companies to support us in areas such as detail design, problem-solving, and maintenance support. Me being critical in nature, this is no easy accomplishment and ET’s deeply grounded values relative to the importance of knowledge, doing things properly, and always finding the root cause made this possible.”

Kurt Waelbers, Lead Asset Integrity at Anglo America

“ET-Global’s deep understanding of the mining industry has helped us overcome complex challenges efficiently. Highly recommended.”

Jaco Meyer, Principal Reliability Engineer at Tronox

“Working with ET-Global has streamlined our processes and boosted productivity. Highly impressed with their solutions.”

Graham Hull, General Manager at Schullpak (CPT)