Sydney Gallas is a New York based costume designer whose work spans Broadway, ballet, opera, theater, film, and live performance. She creates visually rich worlds through costume, blending storytelling, research, and character-driven design with a deep understanding of production realities.

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With experience across original design, associate and assistant costume design, styling, sourcing, and large-scale production collaboration, Sydney is known for bringing both creative vision and calm execution to complex projects.

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Her work includes Broadway productions, major live events, educational institutions, and independent productions, ranging from intimate character studies to large ensemble spectacles.

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Sydney holds a BFA from NYU Tisch School of the Arts and an MFA in Costume Design from Yale School of Drama.

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Available for select projects in costume design, associate design, ACD, sourcing, and creative collaboration.