Antonietta de Marchi, born and residing in Rome, is a multifaceted artist with a diverse background in jewelry design, sculpture, and installation art. She honed her craft at the Academy of Goldsmith Arts in Rome and furthered her studies at RUFA (Rome University of Fine Arts), specializing in sculpture and installation.

With years of experience, Antonietta worked at the liturgical office of the Vatican, where she crafted the pescatory ring intended for Pope Francis. Additionally, she has lent her expertise to designing and creating jewelry collections for various brands while continuing her artistic exploration.

In 2022, Antonietta embarked on a new venture with the creation of the jewelry brand Ad Te. Through Ad Te, she delves into the rich spirituality and symbolism of Western cultures, embarking on a relentless search for deeper meaning and expression.