Dr. Robert K. Jarvik may play a rower on TV, but he’s not a rower.

And he may not even be the doctor he seems to be in his ubiquitous ads for Lipitor, a cholesterol drug from Pfizer.

Critics of the advertisements point out that Jarvik, the inventor of an artificial heart, is a medical school graduate but not a practicing physician.

What a difference a year makes.

In 2006, Angela F. Braly was not on the list of the Wall Street Journal’s 50 Women to Watch. This year, she’s number one.

The president and CEO of health insurance giant WellPoint Inc., Braly finished higher than better-known business leaders.