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Our Team

At Anka One, our team works hard every day to deliver outstanding results for our customers.  We pool the specialist skills of our team with technical support from our strategic suppliers and manufacturers to provide technical advice for all products we supply.

Our staff have extensive experience and qualifications in

  • Farming (cropping, irrigation, pasture and livestock)
  • Agronomy (monitoring, recommendations, paddock inspections, mapping, reporting)
  • Logistics and warehousing
  • Supply chain management
  • Oil and lubricants.


Andrew Ziesemer – Managing Director/Toowoomba Manager

I was born and raised on a Western Darling Downs grain and cattle property until attending boarding school in Toowoomba. 

After leaving school I started work on the family farm and then spent time managing a sales and distribution outlet for a corporate agribusiness company. My wife, Katie and I started Anka One (previously known as Anka Ag) in 2008.

Contact Andrew 0427 194 295


Katie Ziesemer -  Director/Office Manager

I grew up in Kilcoy, Qld before attending boarding school at Ipswich Girls Grammar.

I spent time attending secondary school in the USA and worked in administration roles before starting Anka One (previously known as Anka Ag) in 2008 with my Husband, Andrew, with whom I have two young children, Reece and Sophie.

Contact Katie 0428 194 295


John Hegarty -  Sales and Agronomy Miles

I grew up on the black soil plains of the Darling Downs at Pampas, Qld. I have always worked in agribusiness with the majority of time as an Agronomist and with a short period in Machinery Sales. I specialise in broad acre grain crops. I enjoy the people in the Western Downs and decided to move back west in 2010 to establish Anka One at Miles.

Contact John 0437 327 848


Marcia Smith – Sales and Agronomy Toowoomba

Growing up in western Queensland and having worked in various rural industries ranging from livestock and pastures, to cropping and grain has provided a great background for my role in sales and agronomy at Anka One Toowoomba.  I enjoy working with farmers, and have a strong interest in science and the environment. 

Contact Marcia 0427 657 567  


Troy Ziesemer – Manager and Sales Dalby

My career has always been in agriculture and I have had the pleasure to work in the Western Downs broad acre grain and cattle industry, Sunshine Coast horticulture crops and intensive irrigation and row crop farming in China. I moved to Dalby in 2018 to establish Anka One Dalby and I enjoy the challenge of developing new business.

Contact Troy  0427 265 532