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John Harrison promoted to Head of Agribusiness, Valuation and Advisory Services

John Harrison has been promoted to Head of Agribusiness, Valuation & Advisory Services, Australia. Originally commencing in the South Australian business as a young graduate, John learnt his craft under Alex Thamm.

John took over the NSW Agribusiness business in 2019, at which time he expanded the the team and produced a record profit margin within 12-months.

John is an exceptional leader and has built a successful career on an incredible work ethic and a determination to succeed.

Now as the Head of Agribusiness, Valuation & Advisory Services, John will continue to grow the national team and will be well supported by the highly experienced state leaders in Nick Cranna, Shaun Hendy and Alex Thamm.

As an enterprising leader, this role presents a great opportunity for John to maximise the potential of the Colliers Agribusiness asset class offering. 



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Alex Thamm

National Director

Valuation & Advisory Services

Adelaide

Alex and his team specialise in the the provision of valuation and consultancy services to the rural and agribusiness sector on a national and international basis. They have specific skills in the wine, forestry, agriculture, horticulture, fisheries/aquaculture and large scale grazing and cropping sectors. The team also has plant and machinery qualifications, and deal with complex and specialised assets including large multi-jurisdictional portfolios on a regular basis.

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