Richard Tester is an indigenous (Noongar) entrepreneur who leads several inter-related businesses. These include RASP Australia (engineering), RASP Architecture, Red Arrow Group (labour hire), Ironstone Australia (construction), SAMSA Australia (scaffolding), Green Arrow Australia (electrical) and Red Invest Capital Holdings (investment). He previously worked for companies including Gravity Cranes, ThyssenKrupp and RCR Tomlinson.