We regret to announce that Ole Barndorff-Nielsen, ISI Elected Member and Professor Emeritus at Aarhus University at the Thiele Centre for Applied Mathematics in Natural Science, passed away on 26 June 2022 at the age of 87. Ole was a world leading researcher in stochastics, with a remarkable publication list in many fields of science. In the past few years he focused his research on financial econometrics and particularly continuous time modeling of financial time series and inference on volatility. https://lnkd.in/eQxcW4pW