Swallow began her career in 1979. Back then, she was marketing the coffee that lots of us grew up with. Fresh out of Harvard Business School, she was hired by Proctor & Gamble as a brand assistant on Folgers Coffee.

If you listen to my story, you'll hear how she had an aha moment when she traveled to a coffee farm in Africa. The images she encountered of women and children working long hours in poor conditions, amid crushing poverty, stayed with her. She knew she wanted to make a difference.

The IWCA, now in its 10th year, has grown into a powerful networking organization. But there's still a long way to go. As the International Trade Centre has documented, women on family-owned coffee plants in African countries take on about 70 percent of maintenance and harvesting work. Yet they tend to have little or no control over their farms' finances, and they typically do not own land or have easy access to credit.

But change is coming.

Increasingly in Central and South America, women are making progress. On Tuesday, we documented the story of Guatemalan farmer Miguelina Villatoro. In Colombia, 47 percent of the National Federation of Colombian Coffee Growers' members are female. In fact, one-fifth of that country's farms are owned and operated by women, according to the federation.

So what's next? One new initiative underway is the creation of a Women's Harvest brand of coffee. Nancy Moore of the Almana Harvest Fund is collaborating with the Costa Rican chapter of the IWCA. They're hoping to launch a pilot soon.

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Meet 4 African Women Who Are Changing The Face Of Coffee

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