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Timothy J. Cassidy , PhD, RLA, ASLA, AICP, ASSOC AIA Principal


Timothy J. Cassidy

As an Architectural and Urban Designer, Landscape Architect, and Certified Planner, Dr. Timothy J. Cassidy has a body of professional knowledge that spans the full breadth of the built and natural environment. His professional experience encompasses a range of project types which include Urban Design, Sustainable Design, and Historic Preservation. Timothy continues to expand the firm’s engagement with projects which have an urban, community or neighborhood context where people have the opportunity to live, shop, work and play.


Texas A&M University, Doctor of Philosophy in Architecture (2000), Dissertation: Critical Regionalism – A Reflexive Perspective from the Brandywine Valley
Texas A&M University, Certificate in Historic Preservation (2000)
Texas A&M University, Master of Architecture (1995), Thesis: New Urbanism – Kentlands A Case Study
Santa Chiara, Castiglion Fiorentino, Italy (1993)
West Virginia University, Bachelor of Science in Landscape Architecture (1988)
West Chester University, Sciences and Humanities (1982–84)

Registrations & Certifications

Registered Landscape Architect (RLA) in Pennsylvania and Delaware
American Institute of Certified Planners (AICP)
American Society of Landscape Architects (ASLA)
American Institute of Architects, Associate Member (Assoc. AIA)
American Planning Association (APA)
Congress for New Urbanism (CNU)
International Council of Shopping Centers (ICSC)
Certified Development Professional (CDP)

Activities & Professional Affiliations

  • Gold Medal: Alpha Rho Chi Professional Fraternity for Architecture & Allied Arts (1996)
  • American Institute of Architects: The Henry Adams Fund Certificate of Merit for Outstanding Academic Achievement (1996)
  • McDonald’s Excellence in Teaching Award (1996)
  • Edward J. Romieniec Graduate Traveling Fellowship (1994)
  • Texas Architectural Foundation Scholarship (1993 & 1994)
  • Inducted: Tau Sigma Delta, Honor Society of Architecture and the Allied Arts (1993)
  • Southern Chester County Chamber of Commerce, Member of the Board of Directors
  • Texas A&M University, former Assistant Lecturer
  • Texas A&M University Academic Excellence Scholarship (1993)
  • Texas A&M University International Education Scholarship (1993)
  • Texas A&M University Study Abroad Fellowship (1993)
  • Londonderry Township, Planning Commission (2004–2008)
  • Londonderry Township, Zoning Hearing Board (2014–Present)
  • American Society of Landscape Architects, Annual Meeting Presenter (2016)
Timothy J. Cassidy