Leyre Valiente studied Audiovisual Communication, after which she decided to take a Master in Movie and Theater Costume Design, which led her to study Fashion Design. Being a good student, she is also trained in other artistic related disciplines such as History of Dress and Textiles, Chainmaille, Leather Design and Embossing, Textile Printing, Millinery, Drawing and Painting, and Photography. In the business area, she has attended courses and lectures in Communication and Marketing, Fashion Management, E-Commerce and Web Design.

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She trained in the design departments of ALEXANDER MCQUEEN and LOEWE. Previously, while studying Audiovisual Communication, she participated in Costume and Art departments of various audiovisual productions. She has worked as a teacher at IED Madrid, INNADI, and Madrid School of Marketing. She has also been a creativity lecturer in many other schools.

She wrote the cosmopolitantv.es blog "Diary of a Novel Designer" (for whose channel she was also a commentator of fashion shows). With her brand, she has collaborated with brands such as Suxinsu, Equiliqua, New Rock, EA Electronics for The Sims, and the Close the Loop initiative by H & M and VOGUE.

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At the end of June 2018, Leyre Valiente left her position as Creative Director of Kimoa, Formula 1 racer Fernando Alonso's brand of garments and accessories for women and men (with sales in 150 countries through web and multi-brand channel) to focus on her brand, which she has been directing since 2012.

She was included in the Talents supplement of VOGUE ITALIA as one of the emerging talents of 2011 due to her Fashion Design Final Project.

In 2015 she received the Golden Thimble, the award of the Chinese luxury magazine Xishang for the Best Avant-garde Designer, the European Medal for Merit at Work, and was selected in Vogue Who's On Next 2015 and 2017.

As a student, her work was featured in 19 variations of the Little Black Dress. The art of pattern design for fashion (Mao Mao Publicatons, 2011), a book by Isabel Sánchez, published in five languages; and as a designer she was included in the book Women in this Town (Hardie Grant Books) of the Australian photographer Giuseppe Santamaria about the style of women in New York Paris, Melbourne, Tokyo, Madrid and London.

She has shown her work as a guest at Mercedes Benz Fashion Week Warsaw, Mercedes Benz Fashion Week Berlin, Mercedes Benz Fashion Week Amsterdam, Brussels Fashion Days (invited by the Spanish Chamber of Commerce in Brussels), Ljubljana Month of Design (Slovenia), 3D Printshow of London and Paris, and on the footbridge Madeinmedi (Sicily). In Spain she has shown her collections, in addition to MBFWM Mercedes Benz Fashion Week Madrid, in SOUTH 36.32N, Alicante Fashion Week, AB Fashion Day, Valencia Fashion Week, Code 41 Seville, Murcia Open Design, Move Moda Sevilla, Oviedo Fashion, Fortuny Pasarela (Murcia), South Fashion Experience (Jerez), Camariñas Lace Show (Galicia), Fashion Sunset Destination (Ibiza), and Isla Bonita Catwalk (La Palma).

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She has also made exhibitions at the National Museum of Decorative Arts on two occasions, the Museum of America and the Museo Geominero. Given her ACME membership, she has participated in several group exhibitions at the Residencia del Embajador Español in Paris, and at the Centro Cultural Conde Duque.

On a personal level she is a History, Art and Science enthusiast, loves nature, Science Fiction and in her few free time she enjoys watching movies and series, reading comic books, and training Kickboxing.