Katherine Kallinis Berman is a well-known entrepreneur and co-founder of the popular bakery chain, Georgetown Cupcake. She gained fame through her appearances on the reality TV show DC Cupcakes, which showcased the daily operations of her business alongside her sister, Sophie Kallinis LaMontagne. Born in Washington, D.C., Katherine has a background in business and marketing. She graduated from Duke University and later pursued a career in the culinary world, where she combined her passion for baking with her business acumen to create a successful brand recognized for its gourmet cupcakes.