Joy Schranghamer is a Principal and head interior designer of SDG. She has been working as an interior designer for major architectural and interior design firms since 1998 and founded Schranghamer Design Group in 2006.

Joy holds a Bachelor of Arts in Interior Design from the University of Texas at Austin. She is a member of the American Society of Interior Designers, and was certified by the National Council for Interior Design Qualification in 2005.


Prior to joining Schranghamer Design Group, LLC as a Principal, Jeff worked in offices specializing in high-end residential design since 1996. His experience, coupled with his enthusiasm for design are the foundation for a great level of attention to the specific detailing of materials and space, as well as his appreciation of the significance of each home to his clients.

Jeff holds a Bachelor of Architecture degree from the Boston Architectural College. He is a member of The Institute of Classical Architecture and Art, and is also a regular guest critic at the Boston Architectural College.