Cogstate Ltd. is a global cognitive science company, which engages in delivering software services to optimize the measurement of cognition in clinical trials, academic research, healthcare and brain injury. It operates through the following segments: Clinical Trials, Healthcare, and Administration. The Clinical Trials segment provides solutions to optimize clinical outcome assessments to better measure drug efficacy and safety. The Healthcare segment offers tools to detect patient cognitive impairment and change throughout the continuum of care. Cogstate was founded by David Gordon Darby and Paul Maruff on December 17, 1999, and is headquartered in Melbourne, Australia.