The SLAM Collaborative Inc.

1880 John F. Kennedy Boulevard
Suite 1301
(215) 564-9977
(215) 564-9889
Year Established 
About the Firm 
The S/L/A/M Collaborative (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. Our market focus is on higher education, K-12 public/private education, healthcare, corporate, athletic and recreation sectors. Our infinite drive to unlock and solve complex design problems renders creativity in design to enrich lives. SLAM has offices in Atlanta, GA, Boston, MA, Denver, CT, Glastonbury, CT, Iowa City, IA, Los Angeles, CA, New York, NY, Orlando FL, and Philadelphia, PA. For more information on SLAM please visit
Types of Work
Educational Facilities: 
Health Care/Medical: 
Institutional Facilities: 
Lab/Research Facilities: 
Office Buildings/Commercial: 
Sports/Athletic Facilities: 
Special Services 
Sustainable Design
Virtual Reality
Firm Personnel
Total Staff This Office: 
Total Staff Outside Office: 
Architects (Registered): 
Yale-New Haven Hospital; Yale-New Haven Children's Hospital; Yale University School of Medicine; Doylestown Hospital Master Plan, Doylestown Hospital Heart Institute, Doylestown Hospital Hybrid O.R. Renovations, Doylestown Hospital Surgery Addition; Grand View Hospital Campus Expansion, Sellersville, PA; Temple University, College of Health Professions, Paley Hall Renovation, Tower Health/Drexel University, School of Medicine, Deaconess Health Evansville Medical Office Building, Ivinson Memorial Hospital Inpatient Suite, University of Iowa Hospitals & Clinic Multiple Projects, DCAMM Lemuel Shattuck Hospital Relocation & Renovation, Nuvance Norwalk Hospital Inpatient Tower, UMASS Memorial Medical Center MC2020 Bed Tower Refresh. Mercy Philadelphia Hospital Emergency Department; Mercy Fitzgerald Hospital Hybrid O.R. Renovation; St. Mary Medical Center Cancer Center, St. Mary Medical Center MRI; St. Christopher's Hospital MRI; Penn Medicine Perelman Center Dermatology Suite; Temple University Sim Lab and Pathology Lab, College of Public Health; Tower Health/ Drexel University College of Medicine, Reading, PA; Shriners Hospitals for Children Pharmacy Renovations
2019 ENR Award of Merit- New England Chapter for Yale New Haven Hospital OB & NICU Renovation; 2019 ASHE Vista Award-Renovation, UMass Memorial Health care “MC2020” Medical Campus Refresh; 2019 AIA Central New York Design Award, Samaritan Medical Center, Walker Center for Cancer Care; 2018 Kaiser Permanente Design Award of Excellence, Murrieta Medical Office Building; 2018 ABC – Connecticut Chapter, Excellence in Construction Award, Saint Francis Hospital and Medical Center; 2016 DBIA NE Silver Award for Building Construction, Saint Francis Hospital and Medical Center Tier III Data Center; 2016 AGC Build Connecticut Award, Danbury Hospital; 2016 CREW CT Blue Ribbon Award, New Milford Hospital-Emergency Department; 2016 CBC Project Team Award of Merit, New Milford Hospital-Emergency Department; 2015 CBC Project Team Merit Award, Danbury Hospital; 2015 CBC Project Team Merit Award, Middlesex Hospital Shoreline Medical Center; 2015 CREW CT Blue Ribbon Award, Best in Class: Healthcare, Middlesex Hospital Shoreline Medical Center; 2015 CBC Project Team Merit Award, Danbury Hospital; 2015 CREW CT Blue Ribbon Award, Best Sustainable Project; 2015 AGC of CT Build CT Award, Danbury Hospital; 2014 ACHA Legacy Project Award, Griffin Hospital; 2014 CREW CT Blue Ribbon Award: Best Interior Design, Greenwich Hospital, Bendheim Cancer Center; 2014 BSA Healthcare Facilities Design Honors Award, Marlborough Hospital, Cancer Pavilion; 2014 ACEC, New York Chapter-Gold Award, Danbury Hospital, North Tower Expansion; 2008 Envision Leadership Award for Sustainable Growth for Lancaster General Hospital; 2008 Excellence Award from ABC Keystone Chapter for Lancaster General Physicians Surgical Center; 2000-2009 Decade of Excellence Award for Wills Eye Hospital; Citation, Modern Healthcare / AIA Design Awards Program – 1998.
Primary Contact: 
John C. Castner, AIA, LEED AP
John C. Castner, AIA, LEED AP
Senior Associates: 
Will Newbold, AIA; Dawn Thornton, RA; Andrew Wagner, RA
J.C. Castner, Will Newbold
Derek Czenczelewski
Marie Bonelli
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