Guillem Roig joined RBB’s Sydney office as a senior associate in August 2025.
Guillem has a PhD in Economics from the Toulouse School of Economics. Before embarking on his consulting career, he was an academic economist specialising in the study of industrial organization, contract theory and the economics of innovation. Guillem has been a lecturer at Universidad del Rosario and Queensland University of Technology and an external lecturer at the University of Melbourne.
Guillem has advised the Senate Stading Committee on Economics in the Senate’s inquiry “Better Competition, Better Prices: Report on the Inquiry into Promoting Economic Dynamism, Competition, and Business Formation”. He has experience in advising state regulators in Australia and has served as a research assistant at the World Bank in Washington, D.C.
Guillem has written extensively on various theoretical economic topics and has published his research in academic journals such as the Journal of Economics & Management Strategy, Economic Inquiry, and The B.E. Journal of Theoretical Economics.
He has taught courses on industrial organization, market structure and regulation, and game theory at both undergraduate and graduate levels, including Ph.D. and MBA programs. He presented his research papers in world-leading conferences such as the Association for the Advancement of Economic Theory, The European Association for Research in Industrial Economics, Meetings of the International Industrial Organization Conference and the Conference Digital.
Guillem holds an undergraduate degree in Economics and Business from Universitat Pompeu Fabra and a one-year exchange in Economics and Philosophy from the University of St. Andrews. He also earned an MSc in Competition and Market Regulation from the Barcelona Graduate School of Economics and an MSc in Markets and Organizations from the Toulouse School of Economics. He has a PhD in Economics from the Toulouse School of Economics and completed a Post-Doctorate in Market Design at the University of Melbourne.
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