Codiak BioSciences has appointed Jan Lötvall as chief scientist. Lötvall will report to Douglas Williams, president and CEO, and he will begin his new position this summer. Lötvall joins Codiak from Göteborg University, where he served as professor of allergy since 2002, and as chairman of the Krefting Research Center. This month he also completed his term as the first elected president of the International Society of Extracellular Vesicles, which he helped start in 2011. From 1988, to 1990, he was a fellow at the Department of Thoracic Medicine at Imperial College London, and from 1997 to 1998, he was a visiting professor in the Department of Respiratory Medicine at McMaster University in Canada.