(ShareCast News) - AstraZeneca has hired an executive from Roche subsidiary Genentech to join as executive vice president of global medicines development and chief medical officer.The pharmaceutical company said in a release Sean Bohen would join from 15 September.Bohen will be in charge of AstraZeneca portfolio of small molecules and biologics investigational medicines, as well as patient safety, the company said.The University of Wisconsin-Madison alumnus was most recently responsible for Genentech's and clinical development programmes, including oncology, respiratory and autoimmune diseases, AstraZeneca said.Chief executive officer Pascal Soriot said Bohen had expertise in key areas of its "exciting pipeline" including oncology and immunology.