Haris is a Scientia Associate Professor at UNSW Sydney and Director of the UNSW AI Institute.

His research interests lie at the intersection of artificial intelligence, theoretical computer science and mathematical social sciences — especially computational social choice and algorithmic game theory.

The Australian newspaper named him as the national field leader in game theory and decision sciences in the years 2020-2022. He is a recipient of the CORE Chris Wallace Research Excellence Award (2017). In 2016, he was selected by the Institute of Electrical and Electronics Engineers (IEEE) for the AI 10 to biennial Watch List.

Haris is also a board member of International Foundation for Autonomous Agents and Multiagent Systems, editor of TheoretiCS and an associate editor of several journals, including Artificial Intelligence, Journal of Artificial Intelligence Research, Autonomous Agents and Multi-Agent Systems, and Social Choice & Welfare. His research has been covered by major media outlets such as BBC, Scientific American, Sydney Morning Herald, The Guardian, Quanta Magazine and Die Zeit.