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New Director and Associate for Christchurch Valuations

Experienced valuers Marius Ogg and Scott Ansley join Colliers


Colliers International is proud to announce two new strategic appointments to its Christchurch Valuations team team, who will add to the strong senior team down south.

Marius Ogg (pictured) and Scott Ansley have been appointed to new leadership roles as Director and Associate Director of the Christchurch Valuations team, respectively.

Colliers International New Zealand Chief Executive Mark Synnott says the team’s new structure will strengthen and future-proof the Christchurch leadership team.

“Marius and Scott bring a wealth of knowledge and experience to the team, having worked in the Christchurch commercial property market for many years, both before and after the earthquakes,” he says.

Colliers International National Director of  Valuations, Kane Sweetman, expressed his enthusiasm, saying the two appointments would be instrumental to the team’s growth in the Christchurch valuation space.

“I’m thrilled to have a dynamic new leadership team in place, and I look forward to working with Marius and Scott as we continue to expand and add value to our Valuation and Advisory capabilities.”

Ogg takes on his new role as head of Christchurch Valuations at a Director level, and will look to lead and grow the current team.

He has historically been involved in a wide range of valuation assignments around New Zealand, and has worked in the Christchurch area since 2003.

In 2011, Ogg was appointed by the Crown as a member of an expert valuers’ panel to assist with resolving Red-Zoned property disputes following the Christchurch earthquakes.

Ansley will work alongside Ogg as Associate Director of the team. He brings with him over 15 years of industry experience and has been actively involved in compensation valuations for dispossessed owners in the CERA/CCDU central city land acquisition program.

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Mark Synnott

Chief Executive Officer | New Zealand


Mark joined Colliers International in 1989, when the company was first established in New Zealand. He assisted in establishing the leasing and agency side of the business in Auckland.
In 1994 Mark was appointed Chief Executive Officer of Colliers in New Zealand. Since then, he has grown the Colliers team in New Zealand from 65 to 650 staff.

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Kane Sweetman

National Director


Kane has over 25 years of experience in the New Zealand, Australian and UK real estate sector.

Kane’s experience is truly global having provided valuation and advisory services throughout the Pacific along with various pan-European and pan-Asian portfolio valuation assignments.  In the UK he was directly involved in some of the largest development and land transactions including support for a corporate acquisition by US logistics giant Prologis and the provision of  feasibility studies for the development of London’s Stratford regeneration, which included Westfield Stratford and the surrounds. Kane specialised in retail valuations while in Sydney and valued some of Australia’s largest Shopping Centres.  Since returning to New Zealand in 2012, he has focused on Auckland’s CBD Office market along with mixed use and residential development valuations. 

Kane is a past member of the Auckland Branch committee of the NZIV and was the Deputy Chairman for the New South Wales RICS board between 2009 and 2011. He is a RICS Assessor and has been part of the Oceania Valuation Standards Board along with being Chairman of RICS New Zealand between 2014 and 2020.  In 2011 Kane was invited to become a Fellow of the RICS for his contributions to the Institution and the property profession.  He is currently a member of the PCNZ National Advisory Group.

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