Our Team

We pride ourselves on having highly qualified and experienced staff, strong management controls and well developed quality assurance procedures which ensure consistency in our deliverables and that we meet our company goals of:

  • Quality Work
  • Cost Effective Solutions
  • On time delivery

We have circa 45 staff working at Soil & Rock Consultants, 35 in Auckland Office and 10 in Christchurch Office which comprises of  Geotechnical Engineers, Geologists and  Environmental Engineers, a dedicated earthworks, field, inspections and administration team.

Our committed teams and highly skilled engineers offer the complete solution from scope, investigation, analysis and reporting on your project.

Our Senior Personnel

Our senior personnel have a combined experience which extends beyond 150 years as follows;

Name Skillset
Andrew Irvine MSc Engineering Geology, CEng, MIMMM, MICE, CMEngNZ
Zeljko Viljevac BSc, MSc Geology
Bruce Green NZCE (Civil), CPEng
David Ouwejan BE (Civil), CPEng, CMEngNZ (Geotechnical)
Matthew Naylor BSc (Geology), MSc (Geotechnical), CMEngNZ
Mark Sinclair CMEngNZ, CPEng, BE (Civil), NZCE
Raymond Lo BSc, MSc, MHKIE, MIStructE, CEng, CMEngNZ, CPEng
Dean McCabe CMEngNZ, NZCE, BE (Hons)(Civil), CPEng (Geotechnical and Structural)

Our Company Directors

Zeljko Viljevac is a member of Engineering New Zealand and holds a Bachelor and Masters of Science majoring in Geology.

Zeljko, known as ‘Zel’ is currently a Director and Senior Engineering Geologist – Hydrogeologist for Soil & Rock Consultants. Zel has over 36 years of research and professional expertise in engineering geology, geotechnical investigation, hydrogeology and waste disposal in New Zealand and overseas.

Bruce Green is a member of Engineering New Zealand and a Chartered Professional Engineer and has 20 years’ experience in soils engineering

Bruce is currently a Director of Soil & Rock Consultants and has carried out numerous investigations and reporting. Typical jobs include planning and managing site investigations, providing geotechnical recommendations/design advice for large industrial and commercial buildings, particularly where soils are known to be problematic, carrying out and overseeing construction inspections and on-site problem solving.

Andrew Irvine is a member of Engineering New Zealand and brings to the firm 30 years experience in ground engineering gained in New Zealand, the United Kingdom, Central America and the Caribbean.  The focus has been on geotechnical risk in multi disciplined projects, team management and project delivery (commercial and technical).  The skill set ranges from the tender phase to implementation, from planning and managing site investigations, reporting, reviewing reports and peer reviewing to construction observations.

Andrew taught pro bono at the University of West Indies between 1987 and 2005.