RETNA (born Marquis Lewis)  is a contemporary artist best known for his graffiti work. Raised in Los Angeles, California, he began his career in the early 1990s and developed a unique script inspired by a mix of Blackletter, Egyptian hieroglyphics, Arabic, Hebrew calligraphy, and traditional street graffiti .Retna has expressed that his interest in typography stems "directly from [his] graffiti background," describing it as a way to bridge the gap between street art and fine art.

RETNA has exhibited in major cities like Los Angeles, Miami, London, New York, and Hong Kong, and has worked with renowned brands such as VistaJet, Louis Vuitton,CHANEL, and Nike. Notably, his artwork graced the cover of Justin Bieber's Purpose album in 2015.

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