Managing Director, CEO

Dr Nathan Harman

BSc, BVMS (Hons), PhD

Nathan has a successful history in the Australian IT sector. He started Harman IT in 1997 and by 2001 had won the whole IT outsourcing for Hamersley Iron (now Rio Tinto) and grew staff numbers to 120. In 2001 Nathan sold Harman IT to the London-based multinational Marconi plc (Now Ericsson). In 2004 Nathan co-founded Zetta Group and has managed its growth since.

Chief Operating Officer

Nicholas Power

BSc (Software Engineering), ITIL, VMware VTSP, Amazon Web Services CCP

Nicholas is an experienced IT professional and management executive. He manages the business operations for Zettagrid which encompasses cloud and the operational development teams and oversight of our national data centre footprint and telecommunications assets. Nicholas has worked with Marconi Plc (now Ericcson), Hamersley Iron (now Rio Tinto), WMC Limited and Woodside Energy in various roles.

Chief Technology Officer

Nicki Pereira

BSc (Software Engineering), ITIL

Nicki’s background is varied and began in 1998 in systems analysis and development with BankWest and later moved into a technical architect role in 2000. He has since worked in senior technical architect and advisory roles with BHP Billiton, Marconi Plc, Woodside Energy and Babcock & Brown.

Country Manager (Singapore)

Raymond Jeffrey

Bachelor of Business Administration (B.B.A)

Raymond is a seasoned APAC business development and channel management professional in the IT industry specifically in ERP and Services. He is adept in growing sales and building relationships thru both channel and direct. Raymond has worked with SAP, IDS Scheer, Computergate and Tech Data in similar roles. Raymond heads all strategic sales and marketing activities in Singapore.

Network Manager

Simon Dixon

Juniper Networks Certified Specialist, ITIL

Simon leads the network division of Zettagrid in his position as the Network Manager. Having been in full time networking roles for the past 18 years, Simon has been involved in many acquisitions and has been integral in numerous projects; with a focus on large multi-site MPLS based networks for several global organisations. For the last 9 years, Simon has been key in growing Zetta’s IP network into a national footprint and integrating the latest technologies to support Zettagrid’s unique requirements to deliver a high speed, highly resilient and fully automated Cloud.

Finance Manager

Andrew Speirs

BA (Hons), M.Acc., CPA

Andrew is a CPA qualified Finance and Accounting leader with the ability to recognize process improvements and seek out innovative approaches. He combines 15 years retail management experience with over 15 years of international accounting experience.