Tony Zook has been appointed president of MedImmune. Mr. Zook was previously responsible for heading the company on an interim basis. MedImmune is the wholly owned biologics business for AstraZeneca and in addition to MedImmune, Mr. Zook is responsible for AstraZeneca’s U.S. and Canadian businesses, as well as its global marketing organization.
   
“I am pleased to continue working with the leadership team here at MedImmune to advance our strategic plan to discover, develop and deliver innovative biologic treatments that can positively impact patient health,” said Mr. Zook.