About Hande KÖSE

Hande Köse is the founder and creative director

of ZÉJ Studio.

Hande Köse graduated with a degree in Interior Architecture and Environmental Design at Bahcesehir University in 2019, where the program was conducted entirely in English. During her academic education, she developed a strong foundation in architectural thinking, spatial design, and contemporary interior practices, while also receiving Italian language training as part of her studies.

Through ZÉJ Studio, residential, commercial, and bespoke projects are conceived and delivered through a comprehensive design process, from concept development to final execution. A hands-on, detail-oriented approach ensures that each project is defined by a clear vision, spatial coherence, and a strong sense of identity.

Based in Istanbul and working internationally, continues to design spaces defined by originality, spatial integrity, and enduring design values.

About ZÉJ Studio

ZÉJ Studio is an inter-disciplinary design studio founded by Hande Köse, offering comprehensive services for residential and commercial projects, with expertise in interior design, product design, and landscape design.

ZÉJ Studio works across residential, commercial, and bespoke interior projects, offering a holistic design process that spans from concept development to detailed execution. From architectural planning and interior styling to custom furniture and material selection, every element is thoughtfully considered to create cohesive and meaningful spaces.

With a strong focus on craftsmanship and detail, the studio embraces natural materials, clean geometries, and subtle contrasts to achieve a refined architectural language. Our approach values simplicity with character—bold yet understated, contemporary yet enduring.

Based in Istanbul and working worldwide, ZÉJ Studio collaborates closely with each client to translate their vision into spaces that feel personal, functional, and emotionally resonant. We see design as a lasting investment—one that shapes how people live, work, and connect with their surroundings.

At its core, ZÉJ Studio is driven by a commitment to originality, spatial integrity, and thoughtful design. We create spaces that are not only seen, but felt.