Katherine Kallinis Berman

"On Valentine's Day, 2008, sisters Sophie Kallinis LaMontagne and Katherine Kallinis opened the doors to Georgetown Cupcake, a tiny bakery tucked on a quiet side street in the heart of Georgetown in Washington, DC. They had given up the security of corporate jobs - Sophie, a Princeton graduate, in venture capital; Katherine, a graduate of Marymount University, who loved fashion, at Gucci, to fulfill a lifelong goal. For years, they had scrimped, saved,...