Katrin Herden
Katrin Herden

Interior Designer – Partner

Alessandro Zarinelli
Alessandro Zarinelli

Architect – Partner



Studio MHZ is a full-service Architecture and Interior Design studio based in the historical center of Milan, Italy specializing in highly curated and customized Interiors of superb residences and hospitality projects.


Founded in 2011 by the Architects Paolo Marzi and Alessandro Zarinelli, together with the Interior Designer Katrin Herden after a long time collaboration with the renowned studio ‘Spatium’, where they gained vast experience in the design of high-end projects.


Regretfully in early 2018, Architect Paolo Marzi prematurely passed away and will be greatly missed.





The Design is characterized by a meticulous approach, creativity, and attention to detail perfectly tailored to the client’s needs, their personal taste and lifestyle.


The Studio’s design philosophy is based on traditional values and quality with a passion for details, while focusing on function and innovation to create unique and individual designs that enhances the experience of everyday life in private residences as well as public buildings. We believe in the importance to create livable spaces with timeless design and quality materials.


The projects include Architecture and Interior Design in various fields:


HOSPITALITY DESIGN: Hotels, Restaurants, Clubs and Resort
RESIDENTIAL DESIGN: Private Homes, Apartments, Villas and Palaces
CORPORATE DESIGN: Executive office spaces, Industrial Sites
RECREATIONAL: Wellness center and SPA, Golf Clubhouse