AstraZeneca (LON:AZN) has appointed Michel Demaré as the chair-designate of its board. Demaré will replace Leif Johansson, the current chair of the board of AstraZeneca, who plans to retire in April 2023. There will be a managed handover period in the coming months. Demaré joined AstraZeneca’s board of directors in September 2019 as an independent…