b. Montreal, Canada

Katherine Demetriou Sidelsky is a New York–based artist working primarily in sculpture and installation, incorporating lens-based and imaging processes within an expanded material practice. Drawing on her background in architecture, she investigates perceptual boundaries of place, the dynamics of display, and the relationship between surface, structure, and support through constructed topographies.

Sidelsky received a Master of Fine Arts from the School of the Art Institute of Chicago. She also holds a Master of Science in Advanced Architectural Design from Columbia University, where she was awarded the William Kinne Fellows Traveling Prize for post-degree study abroad, and a Bachelor of Architecture from the University of Arizona. A theatre design she contributed to was featured in MoMA’s Light Construction exhibition and earned her an Honor Award from the California Council of the American Institute of Architects.

Her work has been exhibited internationally, including selected group exhibitions in New York City, Chicago, Richmond, Northampton (UK), and Barcelona (Spain). She has attended residencies at Poor Farm’s Living Within the Play in Wisconsin and ChaShaMa’s ChaNorth in New York’s Hudson Valley, and she will attend the Vermont Studio Center as a fellow in 2027. Sidelsky is a member of the artist collective nHnT.