Santiago Sierra Soler is a Mexico City–based director and photographer whose commercial practice centers on fashion, luxury, and lifestyle branded content. After classical music study at Mexico’s National Conservatory and Fine Arts training in Melbourne, he built a New York fashion photography and filmmaking career before working across Paris, Los Angeles, and Mexico City. In October 2025 he joined RSA Films for U.S. commercials and branded content, following prior U.S. representation at PRETTYBIRD. Trade-cited spots include Tequila Herradura’s May 2026 BBDO Chicago campaign “We Leave Nothing to Luck and Everything to Craft,” shot at Casa Herradura in Jalisco; Absolut x Warhol Remix (2024) on 16mm with cool, silver-drenched grade; adidas x Missoni; Coach campaigns with Michael B. Jordan and Jennifer Lopez; Carolina Herrera Cedar Chic; Lab Series; Louis Vuitton Capucines; Nike Joyride; and Vogue Rewilding. Broader collaborations include Chanel, Dior, Estée Lauder, Cartier, Swarovski, Boss, and YSL Beauty’s Open Sky Laboratory series in Morocco. He regularly works with major talent including Beyoncé, Jennifer Lopez, Emma Stone, and Michael B. Jordan. Parallel work includes the 2023 seven-channel immersive Dioses y Máquinas at Palacio de Bellas Artes and the NOWNESS short Coyuca.