Category: Organizations with 7,500 employees or more

Title: Senior Vice President of Human Resources

Organization: Aetna, Hartford, Conn.

Key HR Challenges: Wright was tasked with preserving key talent during a difficult business transition that took the company from losing hundreds of millions of dollars a year to a becoming an industry leader. She had to communicate difficult changes such as the reduction of employee benefits and was responsible for creating a wellness program.

Key HR Accomplishments: She piloted health and wellness plans -- used now by companies around the world -- on her own workforce. She also created new-and-improved performance- and succession-management systems, almost doubling employee engagement over the past few years.