Greg Bloxham

Our Sydney offices are the home of our bright and vibrant Engineering team. It is also the centre of our manufacturing hub with all our suppliers and subcontractors located within a short distance of our head office. Leadership in Sydney takes the form of the irrepressible Greg Bloxham. With more years in the industry than it would be fair to mention, Greg brings a wealth of expertise second to none. Greg is supported by a number of engineers, programmers, designers and administration staff that ensure we can offer the highest levels of support within our industry



Scott Kelf

Located in the Southeast corner of the great country of Australia, Melbourne is the home to Bulknet. As a leading supplier of materials handling solutions Bulknet is the base for Scott Kelf who, along with Greg Bloxham, founded AST over 20 years ago. The added benefit of having a real-life facility at which our machines are used on a daily basis is unique within our industry. Scott brings exceptional practical knowledge to our partners throughout the world

North America

St. Louis

Chris Gillibrand
Sales and Support Services

Centrally located, St. Louis is home to both of AST’s North American representatives. Chris Gillibrand has a significant history in manufacturing helical screw flights, particularly for the earth auger and drilling market and has been instrumental in the development of the Tyro™ range once it hit the market in North America. Chris also spends a good amount of time across the pond in Europe allowing him to help our European partners.

In order to ensure a suitable level of response and support Chris was recently joined by John Johnston. John is a seasoned veteran and is experienced in communicating with customers and establishing their true needs. John is a valuable member of the North American team within the AST family.



Philippa Davis
Sales and Support Services

Philippa Davis is AST’s European representative. Philippa has a demonstrated history of working in the machinery industry. She’s skilled in Budgeting, Technical Support, Metal Fabrication, and Product Marketing.