Gail Boudreaux
Title: Executive vice president UnitedHealth Group; CEO UnitedHealthcare
Why selected: While UnitedHealthcare, the nation's largest health insurer, finalized preparations for implementing the most sweeping provisions of the Affordable Care Act, she continued to refocus the company on responding to a changing health care marketplace.
What happened: UnitedHealthcare concentrated on managing costs and risk. It is selling its health plans on new online insurance exchanges in just a dozen states this year.
JACKIE CROSBY
