About Us
Design Theory is a full-service interior design and home decor company located in Louisville, Kentucky. Our talented team brings passion, creativity, and attention to detail to every project.
Our Team
Karista Hannah
Interior Designer, Owner & New Construction Designer
Karista Hannah is the founder of Design Theory and focuses on new construction and commercial projects.
Summer Casse
Interior Designer
For the past five years at Design Theory, Summer Casse has brought a thoughtful and personalized approach to every project.
Tayler Reid
Interior Designer
As an interior designer at Design Theory, Tayler brings a balance of creativity and purpose to every space.
Lindsay Gorter
Office Manager
Lindsay has been with the company for over five years and her attention to detail and organization helps things run smoothly.
Buffie Holbrook
Interior Designer
Buffie Holbrook is excited to see her love for design and passion for people come together as she joins the Design Theory team.