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Team
Executive Team

Gravity prides itself in having a team of multidisciplinary specialists with a solid background of experience in IT, telecommunications, digital media, and finance/administration, who all share a passion to make a difference by providing winning technologies and best quality services to our clients.

Chris Voukidis, Executive Chairman
Prior to his role as Executive Chairman of Gravity group of companies, Chris was a Principal of Mason Voukidis, Chartered Accountants, a practice that employed 25 staff and specialised in the Information Technology and Telecommunications segment. Chris has been intimately involved in the ASX listing, merger and acquisition of several client companies in those industries including Powerlan Limited, Clarity International, National Telecoms Group, and Magna Data. Chris was a Non Executive Director on the boards of the publicly listed companies Powerlan Limited and Clarity International, and served as Finance Director of Powerlan for two years. Chris is a Member of the Institute of Chartered Accountants and has a Bachelor of Commerce (UNSW) with Majors in Accounting, Finance, and Information Systems.

Dr Tomislav Matić, Chief Executive Officer
Tom has over 20 years IT industry experience in roles that span from technical through sales and management. Prior to joining Gravity he was CEO of Powerlan Limited, the ASX-listed company that acquired Namadgi Corporation, the IT consulting company he co-founded, in 1999. Tom was the architect and the executor of Powerlan's growth after the dot.com crash. He managed a turnover of $70M and 200 staff in 34 offices across eight different countries for the Business Solutions division before becoming COO and then CEO of Powerlan. He held the post of CEO for three years, until 2007 when he joined Gravity. Tom holds a PhD in Biophysics and Information Processing from the Australian National University.

Perry Giannopoulos, Chief Financial Officer
Perry has over 10 years of business experience in varying accounting roles. Prior to joining Gravity, he was the Company Secretary of ASX listed company Powerlan Limited, where he also served, at varying times, as the CFO and a Director. Perry is a member of the Institute of Chartered Accountants and holds a Bachelor of Social Science and a Master of Commerce from the University of New South Wales.

Hamid Govahi, VP Product
With over 20 years of experience in the ITC industry in roles ranging from technical to executive positions, Hamid gained extensive experience in product development and delivery of leading telecommunication solutions in roles with Namadgi Corporation, Optus Vision, Powerlan Limited, and Clarity International. Hamid holds a Bachelor's degree in Software Engineering.

Robert Leidl, Chief Technology Officer
Robert has more than 20 years experience in executive and technical positions. Prior to joining Gravity in 2007 he held the position of Chief Technology Officer of Clarity and ASX listed company Powerlan Limited. Previously, Robert served as IT Director for Colliers Jardine and Executive Director of Namadgi Corporation, which he co-founded. Robert holds a BSc degree from Australian National University and a Masters in Systems Development from Charles Sturt University

Louise van Rooyen, Market Development Manager
Louise has over 15 years ICT experience in roles including Asia Pacific BDM for US-based in-game advertising company Massive Incorporated (a Microsoft company) and CEO for Australian Interactive Media Industry Association, (AIMIA). In 1996 she co-founded innovative digital media studio, Massive Interactive, and was instrumental in its growth and winning a string of industry awards. Prior to that she was Executive Producer for the Digital Hollywood Award-winning TeraMedia CD-ROM series. Louise holds an MA in Social Anthropology from the University of Auckland and in 2007 she was featured in B&Ts Top 40 Australian Digital Marketing Professionals.

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