Alexion, AstraZeneca executives switch roles amid $39B buyout

AstraZeneca has named Alexion CFO Aradhana Sarin the U.K. company's new finance chief, replacing Marc Dunoyer. The change will happen after the close of AstraZeneca's $39 billion acquisition of the rare disease specialist, which was announced in December and is set to be completed in the third quarter of 2021.