Maris is an Australian diplomat with a Bachelor of Science and a Bachelor of Commerce from the Australian National University. He also spent time undertaking research and study at the University of Cambridge, the University of California Berkeley and the University of Tokyo. Maris serves at the Australian Embassy in Belgrade, covering political affairs for four countries in Southeast Europe. His study in London will focus on the communication behind politics, with the aim to help Australian politics and diplomacy adapt to the fast-changing world. Maris was previously Young Canberran Environmentalist of the Year and co-founded a social enterprise, Take Flight Education, that engages children in science using dance.