coty Caroline N. Sidnam, AIA 

Coty is the founding partner of the SPG Architects. Under her leadership the firm has grown from an exclusively residential practice to one with expertise in a variety of project types – always guided by principles of design and service. Her extensive travel experience has guided her role as lead architect on a variety of long distance projects both in the US and abroad. Her interest in environment, conservation, and health issues has led the firm to undertake paid and pro bono projects in these areas and has guided her extracurricular activities. Coty serves on the Board of the Wildlife Conservation Society, where Global Health – wildlife, domestic animal, and human – has been the primary focus of her activities. She has served as the Chair of both the Global Health Subcommittee and the Buildings & Grounds Committee. Coty is a founding member of the Board of The Mayday Fund and has been active with both the Natural Resources Defense Fund and the National Geographic Society. She holds a B.Arch. degree from The Cooper Union and a B.A. from Sarah Lawrence College, is a member of The American Institute of Architects, and is registered with the National Council of Architectural Registration Boards.

eric Eric A. Gartner, AIA, LEED AP+ 

A partner at SPG Architects since 1994, Eric has been practicing architecture since obtaining his Master of Architecture degree from the University of Virginia. He also received his undergraduate degree at UVA, where he maintains an active relationship, currently serving on the School of Architecture’s Foundation Board. In addition, he regularly serves as a visiting design critic at UVA and at numerous other schools of architecture. At SPG, Eric has worked to broaden the firm’s range of project types and helped it to expand its national and international presence. SPG Architects’ built work is now located not only across the US, but also in Latin America and Africa, and it has been published worldwide. Eric’s on-going commitment to both environmental and social responsibility has instigated and informed a series of projects that explore the benefits of sustainable design. Eric continues working as a design architect for Kageno Worldwide Community development project in Banda, Rwanda and is currently working on future projects meant to bring sustainably designed and well-considered full home product design to a broader market through newly conceived delivery methods. Eric is a member of the American Institute of Architects, is registered with the National Council of Architectural Registration Boards through which he is licensed in numerous states, and is a LEED Accredited Professional.

SPG Architects Staff


Energetic, well-educated, diverse and engaged are four of the words that best describe SPG’s team. These attributes are enhanced by their professional experiences here at SPG and build upon their work and educational experiences prior to joining our team. Their collective focus on supporting our clients with their knowledge, their design acumen, their commitment,  and their problem-solving skills enhances our ability to communicate well-considered, thoughtful, and innovative solutions to each and every project.