The indicators used in the SWAN system:
Meet the Trace & Save team:
![Phillip Terblanche](http://traceandsave.com/wp-content/uploads/2018/06/Phillip_resized.png)
Phillip Terblanche
Phillip is the owner of Trace & Save and he created the Trace & Save and SWAN systems for measuring agricultural sustainability. He has been an agricultural consultant in the dairy industry for over 25 years.
Qualification:
Masters in Sustainable Agriculture (University of the Free State)
Research interests:
Sustainable agriculture; cow nutrition; soil fertility and health; nutrient flow; profitability indicators on dairy pasture farms.
Current studies:
PhD in Sustainable Agriculture (University of the Free State)
![Marlene Terblanche](http://traceandsave.com/wp-content/uploads/2018/06/Marlene_Resized.png)
Marlene Terblanche
Marlene is the glue that holds the team together. She is responsible for ensuring the smooth running of the team and the projects which Trace & Save is involved with.
Qualification:
BCom (Honours) (University of the Free State)
Post-graduate Tax Diploma
![Portia Phohlo](http://traceandsave.com/wp-content/uploads/2017/05/Portia.jpg)
Portia Phohlo
Portia is passionate about everything soil and joined the team in 2013.
Qualification:
MSc in Agriculture Soil Science (University of the Free State)
Research interests:
Soil quality and health; soil microbiology; soil nutrient management; site-specific crop management; carbon sequestration; environmental impact of agriculture.
Prospective studies:
PhD in Agronomy (Stellenbosch University)
![Craig Galloway](http://traceandsave.com/wp-content/uploads/2017/05/Craig.png)
Craig Galloway
Craig is interested in environmental stewardship and the sustainable use of natural resources and joined the team in 2013.
Qualification:
PhD in Conservation Ecology (Stellenbosch University)
Research interests:
Farmers’ perceptions of sustainable agriculture; soil health; nutrient balancing and accounting; farm carbon footprint; carbon sequestration; whole farm productivity; environmental impact of agriculture; biodiversity conservation.
![Marno Fourie](http://traceandsave.com/wp-content/uploads/2018/06/Marno_resized.png)
Marno Fourie
Marno is passionate about farm nutrient use efficiency and joined the team in 2013.
Qualification:
MSc in Conservation Ecology (Stellenbosch University)
Research interests:
Bio-geochemical nutrient cycling; farmer engagement in sustainable farming practices; environmental and sustainability education; greenhouse gas emissions.
Current studies:
PhD in Conservation Ecology (Stellenbosch University)
![Francois Searle](http://traceandsave.com/wp-content/uploads/2018/06/Francois_resized.png)
Francois Searle
Francois is responsible for the development and maintenance of the Trace & Save application and website.
Qualification:
BTech in Information Technology (Port Elizabeth Technikon)