Renata Black studied under one of the preeminent microfinance scholars. While living in India, she realized the power of small sums of money. She rejected the idea of underwear as a sex symbol and flipped it on its head, turning it into an empowering tool for women to help women every day. Her subscription service — co-founded with Sofia Vergara — supplies women with new underwear so they can make a difference every time they get dressed.@joinEBYjoin-eby.com