Our leaders
Rian Vleggaar
Technical Director – Geotechnics
Rian oversees the technical growth, development and leadership of DNG. He provides innovative, technical direction across all facets of project delivery.
Rian has over 17 years of broad-based geotechnical investigation and design experience developed across a broad range of sectors. His key strengths reside in geotechnical data interpretation and design development. He specialises in temporary and permanent design solutions for pavements (heavy duty, road, rail), retention structures and foundations.