Dr Asaf Tzachor leads the Food Security and Global Catastrophic Risks Project at the Center for the Study of Existential Risk in Cambridge University. He is also Academic Staff at the Cambridge Global Food Security Research Center. His research explores dependencies and distortions in food systems and agricultural supply chains. The research aims to better understand what shocks might threaten global food security, what the consequences of such disruptions may be, and how we can work to mitigate these risks. Asaf completed his postdoctoral research in the University of Cambridge, his doctoral work in UCL Faculty of Engineering Sciences, STEaPP, and studied Environmental Sciences in the University of Oxford. He was a Research Scholar at Columbia University, and a Lord Weidenfeld Scholar in Balliol College, Oxford. His policy-related work includes collaborations with the Governments of Germany, Finland, Singapore, and the United Kingdom, the World Economic Forum, UN Environment, UNDP, the OECD, the World Bank, and CGIAR. He conducted field-work in Japan, the Philippines, Sri Lanka, India, Spain, Iceland, Canada, Texas, Jamaica and Mexico.