Margaret Donaldson is an interior designer and founder of award-winning Charleston-based firm MDI Luxury Design. She started the firm 36 years ago and has successfully expanded her business into a robust team of talented designers actively working on over 40 projects simultaneously. Through championing the next generation of designers who come to work at her firm, Margaret is building a legacy brand that will continue the evolution and expansion of the firm’s design ethos for years to come. MDI’s design aesthetic embodies sophistication, luxury, and traditional elements that provide uniqueness across projects while also preserving Southern style. See the legacy that Margaret has built in today’s Designer Friday.
Grounding the space with its organic form and rich texture, the live-edge coffee table creates a striking contrast against the soft, coastal-inspired palette.
Andrew Joseph: What inspired you to become a designer?
Margaret Donaldson: I’m a Charleston native and have always been inspired by the beauty of the Lowcountry. Growing up, I was always crafty and into art, and when I was studying at a liberal arts college, I realized that everywhere I went, I was re-arranging and designing spaces in my head — from classrooms to friends’ homes to restaurants I would go out to. I began looking into the possibility of pivoting my education and starting an interior design program, but, at the time, my very conservative father didn’t see a design career on the same level as history, English, or humanities career paths. Long story short, I ended up in an interior design program at the University of Georgia. After a few years of working for an established designer in the area and then alongside my aunt, who was in the furniture business, I decided (at nine months pregnant), that I wanted to start my own business. I see that time as both the birth of my business and of my first child. It’s now been nearly 36 years of MDI, and I have never looked back.
AJ: Can you describe your design philosophy in three words?
MD: Timeless, thoughtful, personal.
This living room exudes a refined and collected vibe with its deep leather and velvet seating, bold patterned rug, and a blue ceiling that adds just the right amount of drama.
AJ: How do you approach a new design project?
MD: I start by getting to know my clients, their lifestyle, and their vision. I want to ensure that the design reflects who they are, while also being functional and beautiful. Then, I balance creativity with practical needs to create a cohesive, personalized space.
AJ: What is your favorite place to find inspiration?
MD: Traveling is a huge source of inspiration for me. Experiencing different cultures, architecture, and natural landscapes always sparks new ideas. Just this week, we placed some accessories I found in an antique shop in Lisbon. My husband is wonderful about figuring out how to get things packed safely into our luggage! In May, I had the most wonderful experience at the Paris Flea market. I bought paintings, accessories and small furniture that just arrived this week! It is such fun to find things during my travels and my clients love it too.
AJ: How do you stay organized while working on multiple projects?
MD: Having a strong team is key! We use detailed project management systems and clear communication to ensure everything stays on track and that no detail is overlooked. We use Studio Designer for our accounting and procurement management. For project management, we love Asana. I enjoy the business side of things as much as the creative side, which is unusual for a designer.
Rooted in warmth and natural texture, this space is anchored by the fireplace and layered with organic wood elements.
AJ: What is the most important skill for a successful designer?
MD: Listening. Getting inside the client’s head to understand how they really live. Discovering their needs, desires, and vision is essential to creating a design that truly reflects who they are and how they will be most comfortable.
AJ: What is your favorite design trend currently?
MD: I am loving the resurgence of craftsmanship and artisanal details in interiors, where unique, hand-crafted pieces add character and depth to a space.
AJ: What would your dream project or dream client be right now?
MD: My dream project would be working with a client who is open to bold, creative ideas — someone who loves color and isn’t afraid to experiment with textures and materials in their space. I would also love a project where the client wants a very collected look and is open to using old pieces.
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