Dr. Toyin Ajayi credits her parents with her belief that she could become a "change agent," she says. Ajayi, who grew up in Nairobi, Kenya, is the founder and CEO of Cityblock Health , a health-care provider that serves communities with complex needs in the U.S. Her parents' "remarkable approach" to raising Ajayi and her two younger sisters shaped her path as a leader, she told CNBC's Julia Boorstin on the latest episode of the "CNBC Changemakers and Power Players" podcast. First, Ajayi's