Anna S. Richo has been appointed senior vice president, Worldwide Compliance, Amgen. Ms. Richo will head the organization responsible for the company’s corporate compliance and business ethics programs. She will report to Amgen chairman and chief executive officer, Kevin Sharer.     Ms. Richo joined the company in 2003 and was most recently vice president, Law, responsible for worldwide management of all corporate litigation and law department operations. Prior to Amgen, she spent 12 years at...