Peter Hahn’s portfolio speaks for itself – a record of architectural talent and scope that is a perfect fit for the vision of The Vale Rusutsu.

After graduating from The University of California at Berkeley, Hahn developed his experience at world-renowned firms, including Rafael Vinoly Architects and Taniguchi and Associates before establishing Peter Hahn Associates Limited (PHA) in 2001.

PHA has completed a wide variety of projects ranging from private residences to large scale urban developments comprising of offices and retail, with extensive experience in the Niseko region. 

In recent years, PHA has focused its practice in hospitality design, specialising in luxury hotels and resort destinations. Hahn’s unique international experience, both professional and personal, is reflected in his work, transcending all cultural and stylistic boundaries.

Project Team
Project Team


Niseko Alpine Developments (NISADE) was founded in 2005 by people with a striking vision. Inspired by the powdery wealth of the Hirafu’s ski slopes, they launched several properties offering the ultimate in alpine comfort. These exceptional developments paved the way for NISADE to become the largest fully integrated property specialist in Niseko, Hokkaido.

From design and construction through to property management and real estate, NISADE prides itself on delivering a complete continuum of essential management components. The team looks forward to extending their brand of excellence to Rusutsu – the next chapter in the NISADE adventure.