Mark J. Sullivan is a New York–based editorial photographer working in fashion, culture, and public life. His work emphasizes clean composition and documentary judgment—street-driven, detail-focused, and shaped for publication.

He photographs runway and street style during Fashion Week, portraits and editorial fashion in New York City, and ongoing coverage at the United Nations, where he has been credentialed through Zuma Press Wire since 2021. His images are distributed through Zuma Press Wire and licensed internationally by editorial and institutional clients.

Based in New York, he works on assignment and commission throughout the United States.