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As 2015 slowly comes to an end, here's a roundup of who went where this year.
In February, lottery and gaming company, Tatts Group, appointed Mandy Ross as CIO, replacing Stephen Lawrie, who had held the role since 1999.
Ross is now leading the group's technology team and operations, which employs 350 staff.
Ross joined Tatts Group in January 2013 as head of technology transformation and process improvement and has more than 15 years experience in IT. She was previously CIO at Wotif Group.
In March, Myer’s chief information and supply chain officer, Richard Umbers, was promoted to CEO and managing director.
This followed Bernie Brookes' retirement.
Umbers joined the company in September 2014 and previously managed the retailer’s online services and IT infrastructure.
Telstra has appointed Erez Yarkoni as its new CIO in February. The telco's former executive director of cloud replaced Patrick Eltridge.
He was appointed as cloud director at Telstra in October 2013 with responsibility for cloud across Telstra in Australia and overseas.
Before Telstra, Yarkoni was division president at software firm Amdocs, and prior to that spent five years at T-Mobile USA as CIO.
In March, Robyn Elliott moves across to Fairfax as CIO. She had been with Foxtel for 12 years. Elliott replaced Andrew Lam-Po-Tang who resigned in January.
In May, AGL announced that its CFO, Brett Redman would lead its new finance and technology group.
The appointment followed an executive restructure, which saw long serving CIO, Owen Coppage, leave the company.
AGL’s new structure has seven core business units, one of which is finance and technology.
The new IT and business partnering, technology services, business analytics, and IT strategy and architecture – which all sit within the IT function, report to Redman.
Samir Mahir left his role as CIO at Tennis Australia in July. He led several analytics and digital projects at the organisation.
Mahir was replaced by former infrastructure manager, Primoz Trcek, last month.
In July, Sam Johnston was appointed as CSC’s new chief technology officer for Australian and New Zealand.
Johnston, a former Equinix exec, replaced Mark Nebreda, who was serving as acting CTO following Bob Hayward's departure.
MetLife Insurance appointed Matthew O’Halloran as its new head of IT infrastructure. He was reporting to Mathews George (pictured), who subsequently left the company in June.
O’Halloran joined the company from Toyota Financial Services, where he was head of infrastructure.
JB Hi-Fi snared former Australia Post executive, Simon Page, as its new CIO in August.
Page had spent two years as GM of technology, retail at Australia Post.
He was also CTO, group technology at Tabcorp between July 2010 and July 2011, before moving into the role of GM, strategy and architecture at the organisation between July 2011 and July 2013.
Malcolm Thatcher left his post as chief health information officer at Queensland Health. He was at the organisation for only 12 months.
At the time, Thatcher said he was pursuing a doctoral thesis in IT governance and would return to Mater Health Services in 2016.
Thatcher was executive director, information and infrastructure and CIO at Mater Health Services between February 2012 and September 2014.
ME restructured its IT team in July shortly after completing a five-year technology rebuild.
Samantha Macleod, the former IT risk solutions leader at GE Capital, joined ME as GM cyber security, responsible for security, risk and governance.
Kate Luxmoore joined as GM, infrastructure and operations, responsible for defining, implementing and supporting operations.
Danny Cheong stepped into the role of GM business solutions, charged with implementing a strategy for delivering software support to the bank.
The Emergency Services Telecommunications Authority (ESTA) appointed Glenn Page as its new IT chief in August. Former CIO Deborah Weiss was promoted to COO in July.
Before working for AGL, Page held senior IT-related roles with Siemens, Sensis, PMP and IAG, as well as serving in the Australian Defence Force.
Western Australia appointed Giles Nunis to the role of government CIO in September. He has been charged with driving more efficient IT spending across the state's agencies.
In early 2015, the WA budget earmarked some $110 million in cuts from the ICT budgets of a range of departments, with the state government looking to put $25 million of the savings into an ICT Renewal and Reform fund.
The Sydney Opera House appointed Nic Boling as its chief technology officer in a newly created role. Boling was previously head of technical support at the organisation.
Daniel Johnson (pictured) departed on November 20 after more than four years in the role.
Boling is leading the management and development of all ICT resources, infrastructure and operations for the organisation's corporate, commercial, building, and theatre-related activities.
He is tasked with implementing a whole-of-business technology strategy to unify Opera House's technology leadership and delivery.
ME appointed ANZ Bank's former head of enterprise information architecture, Annie South, to the new role of GM, data.
She has 15 years’ information management experience with complex information environments including NAB and JP Morgan in the UK and ANZ, and Telstra in Australia.
Macquarie Group hired former Barclays senior tech executive, Justin Raoul Moffitt, as its new CIO in November.
He spent 18 years in various technology roles at the investment bank most recently as Asia-Pacific CIO, based in Singapore responsible for technology teams across the region, and an off-shore development centre in Pune, India.
He replaced former Macquarie CIO Joe Barker, who left the company in February after a two year stint in the role.
BaptistCare NSW & ACT CIO, George Lymbers, left the organisation last month. He had been in the role for over three years.
Pet product and veterinary services business, Greencross Limited poached APG & Co tech boss, Paul Kennedy as its first CIO.
Kennedy had been with APG & Co since January 2014 and was headhunted out of the role.
The Department of Communications and the Arts appointed Shaun McGuiggan as its new CIO in November.
McGuiggan joined the department following two years as assistant secretary for the Attorney-General's Department in Canberra.
He replaced Megan Henry, who took over the role in September 2014 after the agency’s long term CIO, Lee Di Berardino, moved to the Department of Defence.
Toll Group, CIO, John Ansley resigned from his post this month after almost two years in the role.
Ansley was president, supply chain solutions and CIO at Linfox between September 2009 and March 2014.