Mr. Garrigan is the principal in charge of planning and is a professional land use planner and landscape architect with over 23 years of experience in land use and urban revitalization planning. Over the duration of his career, Mr. Garrigan has specialized in focusing the planning, design, and construction of major land development and infrastructure projects in a manner that ensures that each project is context-sensitive to its environs. Much of his experience has focused on applying a refreshing view of urbanism principals to infill and brownfields projects. He has extensive experience managing U.S. Environmental Protection Agency funded regional environmental impact projects and brownfields assessment initiatives. His expertise is focused on determining the reutilization potential of abandoned or under-utilized large-scale industrial parcels, such as steel mills, manufacturing, and chemical production facilities.
Prior to the formation of SGA, he was an associate at Gannett Fleming, Inc. for more than a decade, where he managed international planning and urban design practice in their Philadelphia office. His previous experience includes working for Edwards and Kelcey in Morristown, NJ and the National Park Service’s Mid Atlantic Regional Office in Philadelphia.
Mr. Garrigan holds a Master of Landscape Architecture with a Certificate in Historic Preservation from the University of Pennsylvania; a Certificate in Urban Material Conservation Planning from the International Center for the Conservation of Cultural Property-ICCROM (Rome), an Educational Affiliate of the United Nations Educational Scientific and Cultural Organization (UNESCO); and a Bachelor of Science in Ornamental Horticulture and Environmental Design from Delaware Valley College. He is a member of the American Planning Association, the American Society of Landscape Architects, the National Trust for Historic Preservation, and the Pennsylvania Recreation and Parks Society.
Publications and Speaking Engagements
Garrigan, Sean. “Redefining the Urban Fabric: Creating Community Advocacy for Brownfield Redevelopment.” The Engineers Society of Western Pennsylvania and the U.S. Environmental Protection Agency Annual Brownfields Conference, Compendium of Technical Papers, Chicago, 2001.
Garrigan, Sean, and Susan F. Gibbons. "Retrofitting an Existing Automobile-Oriented Suburban Area for Transportation Choices." Institute of Transportation Engineers International Conference, Compendium of Technical Papers, Monterey, 1998.
Brownfields 2001, Chicago, IL, “Redefining the Urban Fabric: Creating Community Advocacy for Brownfield Redevelopment”
North Carolina Planning Association, 2004 Annual Conference, Asheville, NC, “Brownfields Redevelopment In Rural Communities”
New Jersey Chapter of the American Society of Landscape Architects, 2005 Annual Conference, Atlantic City, NJ, “Planning and Designing Public Parks on Brownfields”
Brownfields 2004, St Louis, MO, “Planning and Community Involvement for Successful Redevelopment”
Pennsylvania Planning Association, 2004 Annual Conference, State College, PA, “Case Studies in Neighborhood Revitalization in Post-Industrial Towns”
Brownfields 2005, Denver, CO, “No Property is an Island: Best Practices in Redevelopment and Property Cleanup”
Pennsylvania Planning Association, 2005 Annual Conference, Bethlehem, PA, “Planning for Successful Brownfields Revitalization”
Pennsylvania Department of Environmental Protection, 2006 Annual Brownfields Conference, Harrisburg, PA, “Tackling Brownfields Redevelopment in Small Rural Communities”
Pennsylvania Recreation and Parks Society, 2006 Urban Parks Conference, Allentown, PA, “Designing Public Parks on Urban Brownfields”
New York Brownfields Policy Forum, 2006, New York, NY “Public Policies and Greenbuilding on Brownfields-The Problems with LEED Certification”
American Planning Association, 2007 Annual Conference, Philadelphia, PA, “Making it Happen-How Community Planners Can Promote and Garner Public Support for Brownfields Redevelopment”
Pennsylvania Department of Environmental Protection, 2007 Annual Brownfields Conference, Harrisburg, PA, “Held Hostage – Methods for Local Governments to Address Moth-Balled Brownfields Sites”
Brownfields 2008, Detroit, MI,“Marked Money – Due Diligence Pitfalls in Developing Brownfields Sites”
West Virginia Department of Environmental Protection, 2008 Annual Brownfields Conference, Huntington, WV, “Building a Community Vision for Revitalization”
Pennsylvania Department of Environmental Protection, 2008 Annual Brownfields Conference, Harrisburg, PA, “Utilizing the Public Charrette Process to Energize Communities to Tackle Brownfield Redevelopment”
Pennsylvania Recreation and Parks Society, 2009 Annual Conference, Hershey, PA, “Brownfields to Greenfields, Integrating Parks and Public Spaces in Brownfield Redevelopment Projects”
Brownfields 2009, New Orleans, LA,“Creating New Habitats – Engineering Controls versus Ecological Processes”
Engineers Society of Western Pennsylvania “Business of Brownfields” Conference, 2010,Pittsburgh, PA, “Brownfields to Greenfields, Integrating Parks and Public Spaces in Brownfield Redevelopment Projects”
Pennsylvania Planning Association, 2010 Annual Conference, Lancaster, PA, “Funding and Partnerships to Achieve Sustainable Redevelopment”
Virginia Chapter of the American Planning Association, 2010 Fall Symposium, Luray, VA, “Joining Forces: Creating Community Advocacy for Brownfields Redevelopment”