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The people at Sto make the difference !

People at Sto

The people at Sto make the difference. They are our most important differentiation factor in a tough competition and the closest connection to our market partners. Mutually respectful, effective leadership lets our employees shape and take responsibility for ambitious goals.

Employee Highlights


Meet our Managing Director – Mr Yong Siew Seng

Mr Yong is very involved in every aspect of the operation of the company. Since joining the team in 2018, he has been responsible for the growth and development of the business for both Sto SEA Pte Ltd and Sto SEA Sdn Bhd.

A resourceful leader with intuition, perception, and strong interpersonal skills. He has set a strong foundation for his management team and gives them maximum opportunity to grow, to meet their own needs, and to contribute to the success of their department.

He has an open-door policy and you will see him adapting to different styles depending on the situation and the issue that walks in through his door.


Meet our Head of Product Management & Technical Service Centre (TSC) - Stefan Gisin.

As Sto SEA‘s Head of Product Management & TSC, Stefan Gisin has a hand in many tasks. He works closely with sales and supports customers to provide the perfect architectural and value-engineered solution. He talks to customers and partners to learn what they need and looking at market trends.

He tries to weave all of that together to build a compelling product strategy that meets our business goals and product aspirations. He leads marketing department to create campaign launches to spread the word about Sto and product offering - building with consciences.


Meet our Country Manager (Sales), Sto SEA Sdn Bhd, Malaysia - Ng Siew Leng.

Siew Leng has years of experience in the flooring industry. She offers an upfront, no hassle approach and makes every effort to personally assist every customer. They can always speak directly with her to discuss ways in which our products and service can benefit them.


Meet our Head of Technical Support & Training

- CSR & Flooring, Goh Siang Wee.

Siang Wee has been working with Sto SEA for over 20 years. His strong technical background and experienced has provided the staffs with technical mentoring on Concrete Restoration and Flooring.

He is also responsible for resolving technical issues on site and providing technical support and training to customers on Concrete Restoration and Flooring.