Mark Stickells is an accomplished leader in advanced research infrastructure. As CEO of the Pawsey Supercomputing Research Centre, he has led Australia’s most significant step-change in high-performance computing (HPC), delivering the Southern Hemisphere’s most powerful research supercomputer. He also pioneered world-first hybrid quantum–classical integration within a production HPC environment. Under his leadership, Pawsey has evolved from a specialist academic facility to national digital infrastructure supporting thousands of researchers across climate science, health, AI, advanced manufacturing and astronomy. He also instigated a program through which hundreds of Australian researchers have modernised and optimised their software for next-generation systems, uplifting the sector’s efficiency and impact. Stickells is an influential policy advisor, with director roles at Science and Technology Australia and the Australian Research Council. He has materially strengthened Australia’s scientific competitiveness and positioned the nation among global advanced computing leaders.