01/16/2014 11:11 am ET Updated Jan 25, 2014

The Rise Of Older Women As 'Encore Entrepreneurs'

LWA via Getty Images

Liz DiMarco Weinmann was sitting in her New York office on the morning of 11 September 2001 when two planes flew into the Twin Towers.

As with many Americans that day, the experience changed her life.

"I looked out the window and saw the buildings fall, and decided I had sold enough soap and cereal," she recalls.

Ms DiMarco Weinmann left her corporate job as a marketing consultant earning a high six-figure salary and spent the next few years trying to find something more meaningful.

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