QR Sciences has appointed Simon Bedford and Gary Pennefather as directors, ahead of its push into the US market.
Company CEO Kevin Russeth said the appointments would fast track its commerical readiness overseas.
Mr Bedford has worked for QR since early 2004 and has been appointed executive director and vice president business development. He is based in San Diego, California.
Mr Pennefather joined the company around the same time as Mr Bedford.
He has been appointed executive director and vice president commercial systems group and will be responsible for coordinating program management and project management between QR Sciences and its overseas customers.
Meanwhile, QR chief financial officer Rob Orr has resigned that role and his directorship.
He will remain as company secretary.