TIME/CNN presents Global Influentials, the top 25 business people worldwide

Spencer Platt/Getty Images

20. Henry McKinnell
Pfizer CEO

Henry McKinnell, 58, has run marathons and triathlons. Now he runs Pfizer, the world's largest prescription drug maker, and serves as chairman of Pharmaceutical Research and Manufacturers of America, a powerful trade group.The new threat of bioterrorism, the developing world's demands for less expensive medicines and the CEO's usual fight to stay ahead of the competition make up the legs of McKinnell's professional triathlon. With eight drugs that each earn more than $1 billion a year, McKinnell's Pfizer will be ahead of the pack for quite a while.

CNN Video: Watch a short profile of Henry McKinnell
Related Link: www.pfizer.com

Next: N. R. Murthy >>

Get the Magazine - Try 4 Issues Risk-Free!