About
Meet the team

Our leadership team includes experts with decades of industry experience, ensuring every decision is guided by professionalism and integrity.

Our Team

Behind every test is a dedicated team of technicians, engineers, and quality managers who understand the importance of your work. We combine technical knowledge with a hands-on, client-focused approach, ensuring you’re supported from sampling to reporting.

Johann Steyn
Johann Steyn
Managing Director
Johann is the Managing Director and a SANAS Technical Signatory at Steyn Wilson Laboratories. He holds a ND-Civil Eng. With over 20 years of experience in the civil engineering laboratory sector, with a specialized focus on asphalt and bitumen. Johann is well known for his non-negotiable commitment to quality, workplace efficiency, and ethical standards, which form the foundation of his leadership approach and has been key in driving the company’s reputation in both technical proficiency and a deep understanding of industry standards, ensuring the continued growth and credibility of SWL.

Beyond his professional commitments, he values spending quality time with his wife and three children, Johann is passionate about precision reloading of ammunition for both hunting and sport shooting. He also dedicates time to restoring antique tools and kitchenalia—combining craftsmanship with a love for history and historical preservation.

Reece Wilson
Reece Wilson
Operation Director
Reece is the Operations Director and SANAS Tecnical Signatory at Steyn Wilson Laboratories, holding a B-Tech degree in Geotechnical Engineering and bringing over 15 years of experience in the civil engineering laboratory industry. He has developed a strong passion for soils analysis, chemical testing, and rock mechanics, fields in which he has consistently driven innovation and excellence.

Renowned for his uncompromising stance on quality and ethical, accurate testing, Reece plays a key role in ensuring that Steyn Wilson Laboratories upholds the highest technical and professional standards. His leadership style reflects both precision and integrity, fostering a culture of accountability and continuous improvement.

Beyond his professional commitments, Reece values spending quality time with his wife and son. He is also a dedicated golfer and an enthusiastic traveler, always seeking new experiences that broaden his perspective and enrich his personal and professional life.

Jaco Brits
Jaco Brits
Operations Manager
Jaco is the Operations Manager and SANAS Technical Signatory at Steyn Wilson Laboratories with more than 15 years of civil engineering laboratory experience, specializing in concrete testing. His passion for concrete extends beyond standard procedures—he is deeply committed to understanding its performance, strength, and long-term durability. By applying rigorous testing methods and innovative approaches, Jaco ensures that every result clients receive is accurate, reliable, and directly supports the safe and successful delivery of their projects.

Jaco’s dedication has earned him the trust of clients who rely on his expertise to make informed decisions in the field. He takes pride in maintaining the highest standards of quality and integrity, making him a key driver in upholding the laboratory’s reputation for excellence.

Outside of work, Jaco enjoys spending time with his daughter, friends, and family. His hobbies include cooking, baking, and braaing, while his personal passion for detail and renewal is reflected in his tradition of repainting his house every year, inside and out.

Gershwin Polman
Gershwin Pollman
Soils & Chemical manager
Gershwin is the Soil and Chemical Manager at Steyn Wilson Laboratories, holding a B-Tech degree in Civil Engineering and bringing over 13 years of experience in the civil engineering laboratory industry. He has cultivated a strong passion for soils and aggregate analysis, consistently driving innovation and excellence in his work.

Renowned for his uncompromising stance on quality and ethical, accurate testing, Gershwin plays a pivotal role in ensuring that Steyn Wilson Laboratories maintains the highest technical and professional standards. His approach reflects both precision and integrity, fostering a culture of accountability and continuous improvement among the staff.

Outside of work, Gershwin enjoys spending time with his wife and three children. He is a dedicated sports enthusiast and a talented cook—once he starts cooking, no one can resist his dishes.

Varsha Bhogal
Varsha Bhogal
Asphalt, Aggregate & Bitumen manager
Varsha is the Asphalt, Aggregate & Bitumen manager at Steyn Wilson Laboratories. She holds a B-Tech Degree in Construction Management and brings over 10 years of experience in the civil engineering laboratory and construction sector, with specialized expertise in asphalt, bitumen, and chemical testing. Known for her approachable demeanor, Varsha combines a soft nature with an unwavering commitment to quality, workplace efficiency, and ethical standards—principles that define her leadership style.

Outside of her professional life, Varsha enjoys spending quality time with her husband and daughter and is passionate about the outdoors and exploring nature.

Frank Coetzee
Frank Coetzee
Geotechnical Laboratory Manager
Frank is the Geotechnical Laboratory Manager and SANAS Technical Signatory at Steyn Wilson Laboratories, bringing 12 years of specialized experience in geotechnical testing. His expertise was not taught—it was innate. Frank has a genuine passion for understanding the behavior of soils and rock, applying rigorous testing methods to deliver precise and reliable results. By providing accurate data and expert analysis, he plays a pivotal role in enabling clients to make informed decisions, mitigate risks, and successfully execute their projects. His unwavering commitment to quality and integrity has earned him the trust of clients and colleagues alike.

Outside of work, Frank enjoys spending time with his wife, friends, and family. A dedicated sportsman, he represents the Western Cape provincial cricket team, demonstrating the same discipline and focus he brings to his professional work

Michelle Steyn
Michelle Steyn
Quality Assurance Manager
Michelle is the Quality Assurance Manager and SANAS Technical Signatory at Steyn Wilson Laboratories. She holds a E-Com I Tech and brings over 20 years of experience in the civil engineering laboratory field. With a strong focus on quality assurance management, training, documentation, and system development, she specializes in establishing and maintaining SANAS ISO/IEC 17025 systems and procedures to the strictest standards.

Outside of work, Michelle enjoys spending quality time with her husband and three children. She has a passion for baking, knitting, and wildlife sketching where she expresses her talent as an avid animalier. She also shares a love for sport shooting, often putting to use all the ammunition reloaded by her husband.

Leoni van Kradenburg
Leoni van Kradenburg
Accounting Manager
Leoni is the Accounting Manager at Steyn Wilson Laboratories, known for her multidisciplinary expertise and solutions-driven mindset.

With a background in Computer Science, Civil Engineering, and Financial Management, she brings a unique blend of technical, creative, and financial skills to her role. Originally from the Northern Cape, she began her career at BVi Consulting Engineers as a technical draughtsman, contributing to award-winning infrastructure projects.

A shift from engineering to finance has led her to be innovative beyond the traditional finance role, combining systems thinking with strong financial analysis and data management. Her strengths lie in systems implementation, process optimisation, and strategic decision-making.

Leoni is an ATKV published author and former children’s radio storyteller, with a deep appreciation of South Africa’s indigenous languages and culture.

Lizhan Carolus
Lizahn Carolus
Human Resourses Manager
Lizahn is the HR Manager at Steyn Wilson Laboratories, holding a ND-Human Resources Management, with over 10 years of progressive experience in the field. She has a proven ability to cultivate strong relationships and foster a positive organizational culture. Lizahn specializes in designing and implementing strategic HR initiatives that enhance employee engagement, performance, and motivation. Her expertise lies in aligning human capital strategies with organizational objectives, ensuring sustainable growth and operational excellence. Recognized for her professionalism, strategic insight, and commitment to staff development, Lizahn consistently contributes to building high-performing and motivated teams.

Outside of work, Lizahn enjoys spending quality time with her husband and son, as well as friends and family. She is an avid runner and hiker, and she also has a passion for painting and cooking.