About · Meet the team

Meet the Zetta team

The right people, with the right expertise, a local WA team that engages personally, not from a run sheet.

Line drawing of Perth with the Zetta team at street level, linked to our story, careers and contact

OUR PEOPLE

Led by people who've built WA's IT

Our leadership brings decades of local experience across infrastructure, cloud, security and service delivery, and a genuine commitment to the people they work with.

EXECUTIVE & LEADERSHIP

Meet the people leading Zetta

Dr. Nathan Harman

MANAGING DIRECTOR

Founded Harman IT in 1991 and co-founded Zetta Group in 2004. A seasoned WA IT leader focused on growing Zetta’s capability, people and impact.

Jim Di Menna

NON-EXECUTIVE DIRECTOR

A non-executive director bringing governance and strategic oversight to Zetta’s board, with broad experience across WA business and technology.

Andrew Speirs

CHIEF EXECUTIVE OFFICER

Runs the day-to-day. Believes the best way to keep clients is to build a company people genuinely want to work in, and let the rest follow.

Carlo Calleri

PRINCIPAL, CLIENT ENGAGEMENT & GROWTH

Owns the relationships side of Zetta, making sure clients get genuine engagement, not handover-and-hope. Drives growth by being useful first.

Vesna Van Biljon

FINANCIAL CONTROLLER

Keeps the commercial engine honest. The reason a fair and reasonable price actually means fair and reasonable, for clients and the team.

Jake Batty

PROFESSIONAL SERVICES MANAGER

Leads Professional Services, turning plans into things that work. Hands-on background in infrastructure, VDI and cloud, so you’re in safe hands. Big on relationships and doing things properly.

Simon Bendotti

OPERATIONAL SERVICES MANAGER

Runs Managed Services and the day-to-day that keeps client environments moving. The steady stuff that doesn’t make headlines but keeps businesses running.