About

Art and design come together to give space meaning

Mason Studio is an interior design and art consultancy firm that creates spaces with impact—spaces that move people, support business, and strengthen communities. Our work blends design and art to shape environments that are emotionally resonant, culturally meaningful, and built to last.

We partner with visionary clients across hospitality, residential, retail, and commercial sectors to create spaces that do more than look good—they perform, they inspire, and they deliver results.

Our team brings global experience and diverse expertise across interior design, architecture, fine arts, human sciences, and business strategy. Every project is an opportunity to think boldly, act with care, and create something that matters.

We are proudly B Corp certified, standing behind our belief that business should be a force for good—socially, environmentally, and economically.

Select clients include:

Alo Food Group
Andaz Hotel
Equinox
Hyatt Hotels
Kimpton Hotels
Langdon Hall Country House, Hotel & Spa
Marriot Hotels
St Regis Hotels and Resorts
Viceroy Hospitality Group

China Resources
Daniels Corporation
Gairloch
Great Gulf
Hazelview Properties
Innvest Hotels
Kemmons Wilson
Kilmer Group
Lifetime Developments
Oxford Properties
RioCan
Slate Asset Management
TAS
Tridel
Tricon Residential
Valor Hospitality Partners

Co-Founder, Executive Director

Ashley Rumsey

BID Hons, NCIDQ, IDC, ARIDO, LEED AP

Ashley Rumsey brings the highest standards to both the design vision of projects and the management of the Mason Studio team. An advocate of purposeful design, Ashley has been a key part of the development of Mason Studio’s innovative research-based process. She ensures design decisions are thoughtfully evaluated based on their potential contribution to the end user, design process, and client’s goals. Her collaborative approach ensures a broad-based perspective, leveraging the skills and knowledge of the entire team to fully inform each design project. As a respected leader in the Canadian design community, Ashley has also been featured in international design media and regularly participates in thought leadership at notable conferences and events.

Co-Founder, Creative Director

Stanley Sun

BID Hons, BSC Hons, NCIDQ, IDC, ARIDO, BCIN

Stanley Sun’s vision is informed by a unique blend of formal studies in human sciences, fine arts and interior design. Approaching each challenge with a combined scientific and humanistic perspective, he first observes how people experience and react to the built environment to create a rational and intuitive design solution. Of particular interest to Stanley’s practice is the science of light and the physiological and psychological response people have to light. As an advocate for Canadian design, Stanley has been published widely and has participated as a keynote speaker at leading design conferences. He is also a sessional instructor at his alma mater, Toronto Metropolitan University.

Awards

  • - Core 77 / Notable Built Environment: The Invisible Tide
  • - DesignTO / Best in Festival: The Invisible Tide
  • - Canadian Interiors / Best of Year in Retail Design: The Clinica
  • - DesignTO / Best In Festival: Nourish Event
  • - IDA / Runxi Towers - Gold in Residential Interior Design / Housing - Multi Unit Dwellings
  • - APR / Chinese Design - Gold Winner Interior Built
  • - World Interiors News / Bronze - Residential Interiors - Runxi Towers
  • - ACD Awards / Resilient Retail Concept
  • - Gold Key Awards / Kimpton Saint George Hotel
  • - ARIDO / Award of Excellence - Kimpton Saint George Hotel
  • - World Interiors / Gold - Jing'an Townhouse, Shanghai
  • - Restaurant & Bar Design Awards / Virtuous Pie
  • - ARIDO / Award of Merit - PurParket
  • - ARIDO / Award of Merit - Virtuous Pie
  • - Canadian Interiors / Best of Canada - PurParket
  • - IDS / Best Booth Design
  • - ARIDO / Award of Merit: Andaz Hotel
  • - ARIDO / Award of Merit: Picnic Food
  • - Best of Canada Awards / Andaz Hotel
  • - Best of Canada Awards / Picnic Food
  • - ARIDO / Award of Merit: La Banane
  • - ARIDO / Award of Merit: Cabin Residences
  • - ARIDO / Award of Merit: Village Juicery

Press

+1 (416) 761-9736

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91 Pelham Avenue
Toronto, Canada
M6N 1A5

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