Prior to founding DL Design Associates in 1992, Corey Delany was the head of interior design at Voorsanger & Mills Associates Architects. She began her career in the office of noted Soho architect Alan Buchsbaum.

She has also designed interiors with many noted architectural firms including Anderson Architects, Frederick Fisher & Partners, Keenen/Riley, Salazar Davis Architects, and Schwartz Architects.

DL Design Associates has completed projects across the country and in South America. The firms' work has been featured in Architectural Record, Interior Design and House & Garden.