Martinez’s work has featured in solo and group shows in Africa, Asia, Europe, North and South America.
Martinez has been honoured for his photography on many occasions. In 2019, he was a W. Eugene Smith Fund Grant Recipient, a Magnum Foundation Photography and Social Justice Fellow, and second prize winner in the World Press Photo Long-Term Projects category. He became a Magnum Associate member in 2022 and won the World Press Photo Contest prize for the North and Central America region in 2022. Martinez’s work has been published widely by media including National Geographic, Aperture, the New York Times, Time, the Wall Street Journal, the New Yorker, Vogue Italia, Bloomberg and Vrij Nederland. He is represented by Patricia Conde Galeria, Mexico City.