Louise Fili is director of Louise Fili Ltd, a New York-based design studio specializing in branding for food packaging and restaurants. Fili was art director of Pantheon Books for eleven years, where she designed close to 2000 book jackets. She is a member of the Art Directors Hall of Fame, and received the medal of lifetime achievement from the AIGA and the Type Directors Club. Fili is the author of Elegantissima, Grafica della Strada, and Graphique de la Rue. She also co-authored and designed Italianissimo and The Cognoscenti's Guide to Florence. With her husband, the design historian Steven Heller, she is co-author of Italian Art Deco, British Modern, Dutch Moderne, Streamline, French Modern, Deco España, German Modern, Deco Type, Design Connoisseur, Counter Culture, Typology, Stylepedia, Euro Deco, Scripts, Shadow Type, Stencil Type, and Slab Serif Type. She has also designed Perfetto, Tutti Frutti, and Brillante pencils. Lisa Apatoff has lived on a farm in Tuscany for more than thirty-five years.

She is an official guide for the city of Florence.