After graduating at the Architecture School of the Polytechnic University in Milan, Letizia Spigarelli moved to New York for an internship at the Exhibition Design Department of the American Museum of Natural History.

In the past years, Letizia worked and experimented in the field of exhibition design, architecture and interiors while collaborating with various firms specialized in the design of residential and commercial buildings including Raad Studio, founded by James Ramsey. In 2017, after participating in the Glenn Murcutt International Architecture Master Class in Sydney, she collaborated with architect Peter Stutchbury, leader in the design of sustainable architecture.

In 2018, Letizia joined the team led by Adam Tihany known worldwide for creating hotels, restaurants and cruise ships luxury interiors. Later, she founded Atelier Spigarelli NY with the goal of making Italian artists and artisans known in the United States. Today she works between New York and Italy creating custom residential and commercial projects. Letizia is a registered architect in Italy.