John Castner

The S/L/A/M Collaborative (SLAM) recently named John Castner, AIA, NCARB, LEED AP, a principal at its firm. With more than 36 years of experience, John now leads the Philadelphia Office of SLAM.  A graduate of Penn State University, his seasoning in programming, planning and design of healthcare and higher education projects includes work at Yale New Haven Hospital, Temple University, University of Pennsylvania, and Doylestown Hospital in Doylestown, Pa. Castner’s expertise includes complex renovations and additions, transforming emergency departments, cardiac care, surgery, and radiology facilities.

SLAM is a national, multi-disciplinary design firm offering architecture, planning, interior design, landscape architecture, site planning, structural engineering, pre-construction, with construction services offered throughout the New England region.