Our Staff

Leadership team

Sean Walsh
Contracting Manager

Sean works with Project Managers and clients alike; ensuring our teams deliver projects successfully on every level. This includes going above and beyond project-specific desired outcomes to maintain a high quality finish; both on time and on budget. Highly energetic and motivated, Sean was awarded the CCNZ National Emerging Leader in 2017.

Marijke Isley
Operations Manager

Marijke joined Simcox in June 2022. She started her career in contracting in a part-time receptionist role, moving to office manager, then to project manager, where she was running two road maintenance contracts in Taupo. After this she moved to a well known earthmoving company where she was a project manager for the rivers contract and multiple rural projects, area wide treatment projects and dairy conversions.

Marijke has been in the contracting industry for over ten years, it is her blood with her dad being an earthmoving contractor and her husband also an earthmover.