Stefan Di Leo is a New York–based architect, educator, and researcher whose work operates at the intersection of architecture, urbanism, material intelligence, and computation. He is the Principal of Studio RAI Architects and a Visiting Assistant Professor at Pratt Institute, where he teaches graduate and undergraduate design studios focused on atmosphere, representation, and future materials.

His professional practice spans civic-scale mixed-use developments, urban retail environments, and highly crafted residential projects, with work developed from concept through construction. In parallel, his research and teaching explore how geometry, material systems, and environmental forces shape architectural form and experience.

Stefan has held research appointments at the Harvard Graduate School of Design and the Office for Metropolitan Architecture (AMO) in Rotterdam, contributing to internationally exhibited and published work including Elements of Architecture (Taschen), Mexico City: Between Geometry and Geography, and Global Leadership in Real Estate and Design. His work has been exhibited at MoMA PS1, Salone del Mobile, Mexico Design Week, and featured in Architectural Record, Wallpaper⁎, and The New York Times.

He holds degrees from Harvard University and the Rhode Island School of Design, is a licensed architect in New York State, and continues to integrate practice, research, and pedagogy through an internationally engaged architectural practice.