Management Team

Zettagrid Indonesia Team

Zettagrid Indonesia (PT Arupa Cloud Nusantara) is managed by an experienced team in enterprise cloud services with excellent customer service in both Indonesia and ASEAN markets.


Reza Alvin Adhitya

Reza Kertadjaja View Reza Kertadjaja LinkedIn profile

Country Manager

BSc (Computer Engineering), VSP5, VTSP5

Reza is the Country Manager of Zettagrid Indonesia and has an extensive background in technology and cloud sectors. His tertiary education was in the United States where he graduated from Oregon State University in 1998 with a Bachelor of Science in Computer Engineering and then went onto UC Berkeley Haas School of Business for further business management certifications. He spent 14 years in the US at Unisem Semiconductor where he rose to become the Information Technology Manager. He then returned to Indonesia in 2012 to help start Indonesian Cloud and that is where he spent over 5 years as the Chief Operating Officer and Executive Vice President. Always in tune with technology and the future, he is currently serving as a board member for Chatkoo, a startup focusing in messaging platform automation.

Dolly Indra

Dolly Indra View Dolly Indra LinkedIn profile

General Manager Sales

BA (Economics), VSP5, VSP 6, ZSP

Indra leads the Sales and Channel division of Zettagrid Indonesia in his position as the General Manager Sales. Indra has worked at Astra Graphia Information Technology and IndonesianCloud. Indra has powerful in sales and business development architect with expertise in concept start-up initiatives, channel development and account management. He has awarded as the best year of sales production in year and consistently recognized as the top sales in the cloud industries.

Rhozi Oksaputra View Rhozi Oksaputra LinkedIn profile

General Manager Marketing

BSc (Industrial Engineering), VSP5, VSP6, ZSP

Rhozi’s responsibility is to lead marketing division of Zettagrid Indonesia. He has strong background in marketing in telecommunication and cloud industries. Rhozi has worked in several big companies in Indonesia such as Telkomsel, Axis Telekom, IndonesianCloud and MNC Group.

Zettagrid Australian Team

Zettagrid Pty Ltd is managed by a team with extensive experience in Australian corporate ICT services, telecommunications and customer service in both Australian and international markets.

Nathan Harman

Dr Nathan Harman View Nathan Harman LinkedIn profile

Managing Director, CEO

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 and grown 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. Developing the Zetta Group of companies to a point where it is a significant exporter of services is a particular passion.

Nicholas Power

Nicholas Power View Nicholas Power's LinkedIn profile

Chief Operating Officer

BSc (Software Engineering), ITIL, VSP5

Nicholas is an experienced IT professional and management executive. Nicholas has worked at Rio Tinto, Marconi Plc (now Ericcson), WMC Limited and Woodside Energy. He has extensive experience with mergers and acquisitions having managed the transition of six companies through the Zetta Group of companies since 2008. He also has significant experience in the telecommunications sector having managed national IP networks and large data centre footprints. 

Nicki Pereira View Nicholas Power's LinkedIn profile

Chief Technology Officer

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.


Gordon Salvage View Nicholas Power's LinkedIn profile

Global Channel Manager

BCom, Economics, Business Economics, Industrial Psychology

Gordon is in charge of our channel team. He has a strong background in sales and solution development in both the Cloud and Telecommunications industries. Since 2002 he has held sales and business development roles with South African Vodafone subsidiary, Vodacom and Verizon.


Susan Hutchins View Nicholas Power's LinkedIn profile

Operations Manager

ITIL, Prince 2 Practitioner,  Master Project Director – Australian Institute of Project Management, Advanced Diploma in Project Management (AQF level 6)

Susan is an IT management professional with more than 20 years experience delivering IT solutions and services in large corporate environments. She spent six years as a Service Delivery and Project Executive at IBM Global Technology Services. She has also held project management and service delivery roles in leading Australian organisations including National Australia Bank/MLC, Logicalis and Telstra (Business and Government).


Simon Dixon View Nicholas Power's LinkedIn profile

Network Manager

Juniper Networks Certified Specialist, Service Provider Routing & Switching (JNCIS-SP), 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.