About

Portrait of Leslie Cusanelli

Milieu was founded by Leslie Cusanelli to create inspired interior environments tailored to reflect the lifestyle and aesthetic of her clients. She customizes architectural detailing, color palettes, and finish combinations in design styles ranging from timelessly traditional to classic contemporary. Leslie sets herself apart with twenty-five years of diverse design experience and a degree from Harrington Institute of Interior Design. While centrally based in St. Louis, her professional expertise is utilized on projects across the country. Leslie’s passion for interior design shines through as she collaborates with her clients to bring their dreams to life.