Nitesh Shah, (Director, Research, WisdomTree) | “Nassim Taleb in his book on uncertainty defined “Black Swans”— extremely unpredictable events that have massive impacts on human society. One of the defining elements of Black Swans is that models can explain their existence after the fact. In September 2019 a report compiled at the request of the United Nations secretary-general said “If it is true to say ‘what’s past is prologue’, then there is a very real threat of a rapidly moving, highly lethal pandemic of a respiratory pathogen killing 50 to 80 million people and wiping out nearly 5% of the world’s economy.