Idea makers: 15 fearless female entrepreneurs

Part I: food. Kathleen King: Tate's cookies

Stacy Madison: Stacy's pita chips

Christina Tosi: milk bar

Part II: health and beauty. Lisa Price: Carol's daughter

Payal Kadakia:ClassPass

Alli Webb: Drybar

Part III: science and technology. Anne Wojcicki: 23andMe

Morgan DeBaun: Blavity

Jasmine Crowe: Goodr

Part IV: education. Sandra Oh Lin: KiwiCo

Reshma Saujani: Girls who code

Cindy Mi: VIPKid

Part V: clothing and fashion. Heidi Zak: ThirdLove

Jenn Hyman: Rent the runway

Sara Blakely: Spanx.