Briana Steele-Zerbini

founder and interior designer


Briana has been formally trained as an Interior Designer: she received her design education from the internationally renowned Harrington College of Design in Chicago, IL and her business education from Lindenwood University in St Louis, MO.  She was Director of Design for a luxury real estate developer in the well known Lincoln Park neighborhood of Chicago, designing multi-million dollar homes and commercial spaces throughout the area.  She has also worked with the prestigious Chicago-based Interior Design firm Mary Cook and Associates, working on home staging and commercial projects, completing full scale interior architecture and design to a wide range of clients.  She created theorie design studio  in Chicago in 2008, working on various projects throughout the area, including many units at the Trump Tower.  She has consulted for many well-known firms as Mary Cook and Associates, LG Development and Michael Richman. 

She opened the theorie design studio location in Lausanne, Switzerland in 2012, to help expats and international customers in the area, focusing on combining her American style, formal training and structured approach with European sophistication and custom crafted solutions. 

theorie design studio completes projects throughout Switzerland, Europe and the United States.  We do space planning, relocations, home remodels and home staging. We work with a trusted team of local tradesmen to support home project needs, working with all budgets and sizes.    





Rue Jean de Gingins, Divonne



Chemin des Fountaines, Founex

Avenue des Alpes, Lausanne

Chemin des Muscadelles, Mont-sur-Rolle

Avenue Alfred-Bertrand, Geneva 

Avenue Ignace Paderewski, Morges

Avenue Collonges, Lausanne

Blvd de la Foret, Pully


United States:


East 8th

Eeast 15th Place

220 W St Paul

Streeter Place: 355 E Ohio

Trump Tower A Unit: 401 N Wabash

Trump Tower F Unit: 401 N Wabash

1266 E Monroe

1500 W Monroe

1517 W Grace

1701 N Dayton

1703 N Dayton

1936 N Clark

1940 N Dayton

1942 N Dayton

2015 N Dayton

2021 N Howe

N Clifton

W Wilson

N Pine Grove

Apple Tree Lane

Sedgegrass Drive

Woodlane Drive

Loft Model, 1224 W Van Buuren*

Mayfair Phase II Model Homes*

Columbia Model Home at Hawthorn Woods*



Wellsley Model

Cheswicke B Model

Cheswicke C Model

Gardenia Model

Wellsley Model at Ambria

Clayton Model at Ambria



Ellsworth Model


New Jersey*:

Devonshire Model Home

Hudson Tea Model

Pine Hill Model

Pond View Model



Ainsely Model at Shayler Ridge

Sorrell Model

Jasmine Model



Naval Square Model


*Projects completed with Mary Cook and Associates



2954 N Sheffield, Chicago, Illinois

Angels and Kings Bar, Hard Rock Hotel,                  Chicago, Illinois*

Michigan Shores Club, Wilmette, Illinois *

Hudson Tea Building F: Public Spaces and              Childrens Playroom, Hoboken, NJ *

The Fairways at Bey Ley Public Spaces, Toms      River, NJ*

Willow Valley Retirement Community,                     Lancaster, PA*

Pond View Club, NJ*

The Tides Lobby, Chicago, Illinois *

Pond View Sales Office, NJ *

Pine Hill Sales Office, NJ *

Hudson Tea Sales Office, Hoboken, NJ *

Pond View Public Spaces, NJ*





LG Development

Mary Cook and Associates

MI Homes*

Michael Richman Interiors

Pizzo and Pizzo*

Toll Brothers*