Barbara Paca | BLA, MFA, Ph.D., ASLA

Barbara Paca is a highly recognized academic and professional. Well-steeped in culture and history, her credentials are numerous, including a professional 5-year degree in Landscape Architecture from the University of Oregon, a Ph.D. from Princeton University, a Fulbright Scholarship to Ireland, and a postdoc at Princeton’s Institute for Advanced Study. In addition, Paca established the world’s first postgraduate course in Garden Preservation at London’s Architectural Association.


Specializing in landscape preservation planning, Paca is a principal of Preservation Green LLC. She has worked on a wide range of landscape projects, from historic preservation, to the restoration of small residential properties and large estates, to public park master plans and roof gardens. Trained as an arborist, she also has extensive experience in woodlot management and wetlands remediation. Barbara’s design projects are noted for uniquely integrating her extensive understanding of academic, creative, and intellectual foundations. She has worked throughout Europe, South America, the U.S. and the Caribbean.

Philip Logan | B.A., M.Arch, AIA, LEED A.P., GRHC

Philip Logan graduated from Stanford University with a Bachelor of Arts in Architecture and continued his academic studies, completing a Masters degree from Columbia at the Graduate School of Architecture and Planning.  Before co-founding Preservation Green LLC with his partner, landscape architect Barbara Paca, Logan ran a private practice in architectural design and consulting services for public and private clients within the United States, the Caribbean and Europe. He has worked on a large range of buildings types and landscape masterplans, from design through project implementation and construction. Logan specializes in the transformation of historic structures; integrating green technologies, ADA compliance and best practices. Recently, Logan’s focus has been the restoration of structures in low-lying areas that are prone to flooding and proactive measures towards hurricane preparedness. 


Working with Paca, his solutions provide a seamless integration of buildings with surrounding landscapes, synthesizing garden structures, roof gardens and woodland estates into long-term sustainable masterplans. He is a member of Green Roofs for Healthy Cities, a member of the American Institute of Architects and is a LEED Accredited Professional.

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