Roman Lechner joined Swiss Re in 1992 as an Economist in the Economic Research team in Zurich. Since then, he has regularly authored and co-authored sigma studies covering a broad spectrum of non-life insurance topics, including reinsurance and the London market. His publications also include the co-authored articles "The Global Reinsurance Market", in Handbook of International Insurance: Between Global Dynamics and Local Contingencies (2007), and "Continuity and Change in Reinsurance 1990-2016", in Managing Risk in Reinsurance: From City Fires to Global Warming (2017).