Shireen Lewis, 55, is founder of SisterMentors, which aims to mentor girls from their early academic years through college graduation and help women of color to earn doctorates. The program has helped 26 women to go to college and 56 to earn doctorates. A native of Trinidad and Tobago, Lewis immigrated to the States after high school. She earned her doctorate in French literature from Duke University and her law degree from the University of Virginia.