Amgen is the world's largest biotech company and one of the most admired.

However, now in its 25th year, Amgen has another tale to tell: the story of how it will build on its momentum - which has reached Big Pharma proportions - while still maintaining the entrepreneurial spirit of a biotech.

The person newly tapped to tell that story is Phyllis Piano, Amgen's VP of corporate communications and philanthropy.

"[CEO and president] Kevin Sharer really takes that very seriously," says ...