Our Team

Barrie Hosking

Managing Director SA Premium

Barrie Hosking is the Managing Director of SA Premium Cement and Concrete. He is a Civil Engineer who has been involved in construction for much of his 40 year career.

Prior to starting his own company, Barrie had worked as the Chief Executive Officer of the MSP Group of Companies for in excess of 12 years. The MSP Group consists of over 25 companies mainly operating in the building and construction materials industry and includes Hallett Concrete – one of SA’s largest concrete producers.

Prior to joining the MSP Group, Barrie was the General Manager of National Operations for Emoleum which was a road construction and maintenance company jointly owned by Exxon Mobil and CSR. Preceding this he was a Director of The Public Transport Corporation in Victoria and this followed on from his 13 years working as a senior manager for Shell Australia in various positions around Australia. Barrie has also worked as a Civil Engineer for both Consulting Engineers and Local Government.

In addition to his Chief Executive role, Barrie was also the Chairman of the Committee for Adelaide Roads for over 10 years. This organisation was established by a number of civil construction and transport-related industry bodies to provide input into government policy and promote public debate on road transport, infrastructure and economic development.

  • Master of Business Administration (LaTrobe)
  • Graduate Diploma in Management (Deakin)
  • Bachelor of Technology in Civil Engineering
  • Building Surveyor’s Certificate
  • Executive Development Program – Shell
  • Executive Leadership Program (Victorian Public Service)

Jimmy Baltidis

General Manager Concrete

Jimmy brings a wealth of experience from his 15 years in the concrete and cement industry. Jimmy is a Cement Chemist by trade spending 5 years at Adelaide Brighton Cement as a Lab Technician. He has spent 10 years working for Hallett Concrete and Boral Concrete in roles ranging from Technical supervisor to Technical account manager through to General Manager of Hallett Concrete and now General Manager of SA Premium Concrete.

Jimmy has achieved a Certificate 4 in Concrete Technology, Certificate 4 in OH&S, Certificate 4 in Leadership and Management and is currently progressing through an MBA with the University of NSW.

Jimmy had led the Hallett Concrete business to become the largest and most well regarded concrete business in South Australia. Jimmy has delivered iconic projects such as the Darlington Road upgrade and Nyrstar Transformation project. Jimmy now brings this wealth of experience and demonstrated performance to the SA Premium business.

John Niarchos

General Manager Cement

John joined SA Premium as General Manager, Cement in 2018. John has held a number of senior management positions across the manufacturing and construction materials sectors and has a proven track record of establishing long standing, meaningful customer relationships built on trust, honesty and integrity. John has successfully led teams across multiple industries to award winning success and he attributes these successes to an unparalleled level of customer focus and dedication.

John has successfully managed a variety of complex national and global supply chains in technically demanding industries and has the ability to develop comprehensive supply chain strategies. He holds a Bachelor of Commerce with the University of Adelaide and is set to commence MBA studies in 2019.

Peter Carson

Technical Manager

Peter joined the MSP Group in 2015 as Technical Manager responsible for mix designs, quality and testing of Hallett Concrete and quarry materials. Peter has recently been appointed as the Technical Services Manager for SA Premium. Peter has a Bachelor of Civil and Environmental Engineering from Adelaide University with 30 years’ experience in the industry throughout Australia and the Middle East.

Peter has also been Technical Manager for a 1 million m3 pa concrete business as well as a number of mega projects in Qatar. Universally respected, Peter has worked on most of the major projects in South Australia and is considered one of the leading technical people in the Australian Concrete Industry.

David Cockburn

General Manager Products & Innovation

David recently joined SA Premium as General Manager of Products and Innovation. He is a Civil Engineer with over 17 years professional experience in concrete technology, materials and structural design.

His industry knowledge and reputation was evident during his time with ANCON Beton, working as an expert consultant to the concrete construction industry throughout Australian and South East Asia. David has also had extensive experience as both a State Technical Manager and Projects Engineer for top International companies.

Shannon Ciracovitch

Key Account Manager

Shannon joined SA Premium as the Key Account Manager in April 2018, bringing with him a unique approach to customer engagement and a dedicated focus on client satisfaction. With over 25 years’ experience in customer service, including 11 years in the Cement Industry, Shannon’s understanding of Cement and Construction materials combined with his knowledge of cement and concrete technology affords him a unique ability to provide customers with an unparalleled level of personalised, friendly service.

As one of the most experienced Account Managers in the South Australian cement industry, Shannon has worked closely with all levels of Industry, across a multitude of sectors including Mining, Concrete, Masonry, Retail, Civil Construction and Road Stabilisation.