Our Staff

Gary Itzstein

Engineering Manager

From gaining formal mechanical engineering qualifications, Gary has worked designing and constructing refrigerated chiller equipment within the mining, industrial and air conditioning industries for the past thirty years. He has been involved with previous air cooler chiller projects provided to mine sites in the Northwest of Western Australia with the Company for the past twenty years.

Gary’s position for this project involves the design, design/drawing modifications, engineering, client liaison and commissioning assistance for the refrigerated air cooled chillers and associated equipment.


Derek Shotton

Mining Manager

Derek has been employed in the mechanical services industry for over forty years, and has been in Australia since 1986 and Perth since 1992.

Derek has a diploma in HVAC Services and has held various rolls in the industry from project managing commercial and industrial installations, operations and quality assurance and more recently on manufacturing chillers and ancillary cooling equipment for the mining industry.

He joined Thermal Engineering in 2012 as the Mining Manager to look after the sales and production of the industrial and mining side of the business.



Teresa Fletcher

Accounts Manager

Teresa position in the Company is the Accounts/Administration Manager.

All aspects of administration are a part of Teresa responsibilities.  These responsibilities include:

  • Liaising with the Sales and Mining Managers on all accounts matters
  • Preparing monthly financial reports
  • Maintaining debtors and creditors ledgers
  • Staff computer software support
  • Various aspects of human resource responsibilities.


Valdimir Shotton

Drafting & Administration

Valdimir has been employed in the mechanical services industry in Perth, for three years.

Valdimir joined Thermal Engineering in 2013 to assist in the implementation of a quality assurance and OH&S system, since then he has added the role of mining draftsman / administration to his responsibilities.


Sam Itzstein

Service Technician

Sam has been employed in the mechanical service industry for a number of years involved in repairing and commissioning various chillers.