The Studio

Creative thinking. Rigorous execution. Design that delivers.

HI Design Studio is a full-service design firm creating distinctive environments for multifamily, mixed-use, and commercial developments. We partner with developers, architects, and project teams to shape spaces that are thoughtful, memorable, practical, and built to perform.

Our work spans the full design process, from concept, planning, and design direction through materials, finishes, furniture, lighting, documentation, and coordination. Our scope often reaches beyond the interiors, into facades, unit layouts, and amenity planning. The goal is simple: strong ideas, carefully executed, with a clear understanding of the real-world demands of every project.

Start a Project

147+
Projects Completed: 8,500+
Residential Units: 5M+
SQ. FT. Designed

Material samples and a task lamp on a console in the HI Design Studio office

Team

The people behind the work.

A collaborative team of designers, thinkers, and technical specialists working together from concept through completion.

Yossi Simonowitz

Founder

Yossi Simonowitz founded HI Design Studio with a focus on creating thoughtful, well-executed spaces that add value at every stage of a project.

Working across multifamily, mixed-use, and commercial developments, he brings a practical approach to design, from smart planning and facade design to amenity layouts, finishes, and execution.

His work is driven by a simple goal: to make the most of every project, balancing strong design, functionality, and smart decision-making from concept through completion.