Our Team

RDA consulting has a well experienced team of professionals. The three Directors of the firm are Leigh Mathieson, Ross Cottier and Tony Hammington.

RDA consulting has experienced geotechnical engineers, engineering geologists, environmentalist and field staff and administrative personnel.

The RDA Team

Stephen Black

Stephen Black

New Business Manager

David Rider

David Rider

Principal Geoprofessional / Senior Engineering Geologist / Wastewater and Dairy Effluent Designer

BSc (Geol), MEngNZ

Invercargill & Queenstown Offices

021 969 350
[email protected]

Mark Adam

Mark Adam

Engineering Geologist

BSc (Geol), Professional Masters of Engineering Geology (PMEG), DipGrad Computer Science

Invercargill Office

027 284 9833
[email protected]

Tom Goosey

Tom Goosey

Engineering Geologist

BSc (Geol) MEngSc (Eng Geol & Geotech)

Queenstown Office

021 024 77064
[email protected]

Stephanie Osmers

Stephanie Osmers

Engineering Geologist

BSc (Geol)

Oamaru Office

027 278 4030
[email protected]

Anita Osborne

Anita Osborne

Environmental Planner

BEM Bachelor of Environmental Mgt

Invercargill Office

027 478 8820
[email protected]

Marion Johnson

Marion Johnson

Research Manager

Georgia Robinson

Georgia Robinson

Environmental Consultant

BSc Plant and Soil Sciences

Invercargill Office

PARENTAL LEAVE

Karen Ladbrook

Karen Ladbrook

Project Engineer

NZCE (Civil)

Invercargill Office

027 530 4470
[email protected]

QUEENSTOWN
OFFICE

15 Gray Street
Frankton

INVERCARGILL
OFFICE
23 Forth Street
Invercargill

POSTAL

CORRESPONDENCE

PO Box 1711
Invercargill 9840