Antonia Dunbar has built a career developing new products to make women's lives better. She's been called a "feminist genius" for her part in designing THINX underwear, a revolutionary self-absorbing undergarment which eliminates the need for tampons or pads. Now Antonia Dunbar is stepping into the shoe industry with Antonia Saint New York, a line of high-tech heels and flats that feel like sneakers on the inside. How Success Happens host Linda Lacina spoke with the serial disrupter about her drive to provide innovative solutions for women, and how sacrifice, commitment and practice have fueled her success.

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