James Cook University (JCU) is a public university in North Queensland, Australia. The second oldest university in Queensland, JCU is a teaching and research institution. The university's main campuses are located in the tropical cities of Cairns and Townsville, and one in the city state of Singapore. JCU also has study centres in Mount Isa, Mackay and Thursday Island. A Brisbane campus, operated by Russo Higher Education, delivers undergraduate and postgraduate courses to international students. The University’s main fields of research include marine sciences, biodiversity, sustainable management of tropical ecosystems, genetics and genomics, tropical health care, tourism and engineering.