Alex Sun is CEO and Editorial Director of Marie Claire China and CEO of W China and Fantastic Man China, overseeing three of the country's most influential fashion media brands. With more than two decades in publishing, he has played a pivotal role in shaping China's fashion, luxury and lifestyle media landscape.

Sun began his career at Esquire China in 2009 and served as lifestyle director of GQ China from 2011 to 2016 before becoming editorial director of Condé Nast Traveler China. He joined MC Style Media, the publisher of Marie Claire China, in 2018, and has since added W China, launched in 2023, and Fantastic Man China, launched in 2025. In 2025 he was also named executive director of GQ Hong Kong.

Across his career, Sun has consistently bridged fashion, culture and digital innovation. Beyond publishing, he serves as a strategic advisor to international luxury and consumer brands, connecting global creativity with China's evolving cultural landscape.