WHO WE ARE
About Gibb Ritchie Geotechnical Engineers
Gibb Ritchie Geotechnical Engineers is an Auckland-based consultancy delivering trusted expertise in geotechnical engineering. We focus on practical, efficient solutions that keep projects moving forward. Every site is different, so we take a tailored approach to ensure our advice is relevant, reliable, and adds value at every stage.
SAM GIBB
Director & Principal Geotechnical Engineer
With over a decade of experience in geotechnical engineering and construction, Sam has strong commitment to delivering high-quality and trustworthy advice to our clients.
QUALIFICATIONS
BSc Civil Engineering (Hons), University of Plymouth
LICENSE & MEMBERSHIPS
Chartered Professional Engineer, CPEng
Engineering NZ Chartered Member
International Professional Engineer/APEC Engineer
New Zealand Geotechnical Society Member
International Society for Soil Mechanics and Geotechnical Engineering Member
Auckland Council Producer Statement Author
CHRIS RITCHIE
Director & Principal Geotechnical Engineer
Chris is a Chartered Geotechnical Enigineer who has experience in a wide range of geotechnical and civil projects including highways, water infrastructure,
power infrastructure and land development.
QUALIFICATIONS
BSc (Geology), University of Auckland
Master of Science (Geology), University of Auckland
LICENSE & MEMBERSHIPS
Chartered Professional Engineer, CPEng
Engineering NZ Chartered Member
Chartered Engineering Geologist, PEngGeol
New Zealand Geotechnical Society Member
Auckland Council Producer Statement Author
SHINE THOMPSON
Project Engineering Geologist
Shine specialises in geotechnical site investigations, construction monitoring, and slope stability assessments. She brings a practical, solutions-focused approach backed by experience across residential developments, subdivisions, and infrastructure projects
QUALIFICATIONS
Bachelor of Science (Earth Science and Geography), University of Auckland
LICENSE & MEMBERSHIPS
New Zealand Geotechnical Society Member
Alex Zohrab
Engineering Geologist
Alex is an Engineering Geologist with experience in geotechnical investigations, construction monitoring, and ground modelling. He is known for his strong work ethic, practical approach, and commitment to delivering high-quality geotechnical solutions efficiently and safely
QUALIFICATIONS
BSc (Geology), University of Wellington
Master of Science (Geology), University of Wellington
LICENSE & MEMBERSHIPS
New Zealand Geotechnical Society Member
ILHAN SERIF
Graduate Geotechnical Engineer
Ilhan brings hands-on experience in soil testing and ground investigation, having contributed to projects for a range of large‑scale clients. He is committed to growing within the geotechnical engineering industry and is passionate about delivering efficient, high‑quality project outcomes.
QUALIFICATIONS
BE Civil and Environmental Engineering (Hons), University of Auckland
LICENSE & MEMBERSHIPS
Engineering New Zealand Member
New Zealand Tunnelling Society Member
We are committed to fostering strong client relationships built on trust, transparency, and open communication, ensuring a collaborative approach throughout the project lifecycle.
CORE VALUES:
Down to Earth Advice
We keep things simple, cutting through the noise to give clear, practical guidance that helps clients make confident decisions.
Part of the Team
We work alongside our clients, other consultants and contractors as genuine partners, collaborating openly to deliver the best outcomes for every project.
Reliable
You can count on us to do what we say we’ll do — we build trust by delivering quality work on time, every time.