Hossein Reyhani Yamchi is a PhD researcher at La Trobe Business School, La Trobe University. His research focuses on global agricultural supply chains, with particular interests in trade and agricultural policy, policy uncertainty, and strategic decision-making. His previous research applies mixed-integer linear programming and multi-objective optimisation to sustainable agricultural supply chain design, incorporating economic, environmental, and social dimensions. His current PhD research draws on optimisation and game-theoretic approaches to study interactions between government policies and supply chain actors.