Tonic Design Studio's owner, Willem Stear creates a distinctive international style that blends classic and contemporary. European and African design influences create a unique and eclectic mix.

A unique atmosphere that compliments the client is created by juxtaposing the rough and the smooth, the grand and the humble, the high-tech and the handmade.

Tonic Design Studio brings a fresh, energetic approach to a traditional sense of luxury. Color, texture and form blend to create a comfortable sense of elegance, seamlessly balancing function and style.

Born in South Africa, Willem Stear studied at the Calder School of Interior Design in Johannesburg after which he worked with several notable South African designers.

Prior to relocating to the US in 2008, Willem worked on projects in London, Paris, Switzerland, Israel, Dubai, Boston MA, Johannesburg and Cape Town.
Since working in the US, he has successfully completed projects in Atlanta, San Francisco and Healdsburg (Sonoma, CA).


2011 - ADAC 'Rising Star - One to Watch' nominee

2013 - South East Design of the Year Nominee (Residential)

2014 - Atlanta Homes & Lifestyles '15 Under 40' Honoree

2017 - Atlanta Homes & Lifestyles Bath of the Year winner



Tonic Design Studio offers a bespoke design service to individuals across the US and around the world.

The following services are provided:

  • Holistic Design Direction
  • Architectural Concept Direction
  • Interior Design
  • Interior Decoration

These services include directing the appropriate architectural styles, appraisal of space planning to determine room flow and proportions, and including the design concepts of electrical layouts, kitchens, bathrooms, finishes as well as custom designed interior decoration.