Today’s mixed-use projects hold tremendous potential in the realm of placemaking and design. In this era of “18/7” do-everything environments where people live, work, shop, eat, and play, we carefully explore each project through the lenses of urban design, architecture, and interior design. We see the challenges of urban sites as chances for creative invention. Drawing on our affinity for interdisciplinary cooperation and clever design solutions, we create lively, beautiful, multi-functional developments that increase the connectivity, visibility, and value of dense urban places.
David Nagahiro, Principal and President of CBT, is the driving force and inspiration behind CBT’s vision, design ethos and advancement of practice into the next generation. He leads the firm’s most ground-breaking projects, often resulting in the revitalization of undeveloped and underutilized urban sites which create places and buildings that enrich urban and community life.
David is intimately involved in all aspects of design and is recognized for his tireless pursuit of innovation in professional practice, his insistence on design excellence, and his passion for building strong, sustainable, and resilient places and communities. His passion for the profession is matched by his commitment to the advancement of individuals around him, which makes him an extraordinary agent of change both through his projects and his collaboration with others.
A stalwart supporter of the civic fabric of the community, David serves on the Board of Artists for Humanity, the Board of the Boston Preservation Alliance, and the Editorial Board of Architecture Boston. He is an active collaborator in HubWeek, Boston’s annual innovation festival, and is a leader in pushing the limits of innovation in art, science, and technology.
David holds a Bachelor of Architecture and Bachelor of Science in Architecture from Washington State University and attended the Architectural Studies Program at the AA / Architectural Association School of Architecture, London. He has been the recipient of the National AIA Young Architects Award, and is a past Rotch Traveling Scholar.
Phil Casey is a Principal at CBT with over 20 years of professional experience as a Project Executive, having led a wide range of projects with specialization in large scale multi-family residential and commercial mixed-use developments. Most recently, these have included the 38-story Avalon North Station, the 30-story AVA Theater District, and Boston's first LEED-Platinum skyscraper ― the award-winning, 1.2 million-square-foot Atlantic Wharf. Phil leads many of the firm’s most complex mixed-use projects that have recently reshaped the Seaport, including 121 Seaport Boulevard, EchelonSeaport, and Waterside Place 2. Phil is an active supporter of the United Way and the Citizen’s School, and holds a Bachelor of Architecture from Syracuse University.
Adrian LeBuffe is an Associate Principal and Senior Project Manager at CBT. His work ranges from academic and civic facilities to complex residential and mixed-use buildings. Adrian has managed award-winning projects that require highly technical integration from multiple disciplines and which posed several structural and technical design challenges. Adrian holds a Bachelor of Architecture from Carnegie Mellon University and participated in a study abroad exchange program in Lausanne, Switzerland at the École Polytechnique Fédérale de Lausanne. He is a Thesis Advisor for Suffolk University’s New England School of Art and Design, and has served as a guest juror at RISD, Northeastern, and the BAC. He is the Vice-Chairperson of the Winchester Design Review Committee and an active member of the Winchester Central Business District Sub-Committee.
Henry Celli is an Associate Principal and Senior Architect at CBT with over 20 years of professional experience. He has a particular expertise in technically complex architecture that is human-scaled and environmentally responsible. Henry has served on multiple types of projects, including residential and commercial developments, to large-scale and complex urban projects. Henry is known for developing pragmatic and sustainable solutions for each project and for his creative use of new and emerging technological tools. Henry holds a Bachelor of Science in Architecture from Temple University and a Bachelor of Architecture from the Boston Architectural College.
Sae Kim is an Associate Principal at CBT, with over 10 years of experience as an architect and designer focusing on multi-scaled and experiential design and concepts. With particularly keen understanding of creative processes on both national and international levels, Sae is deeply involved in complex, award-winning projects from large urban master plans to architecture and exhibition design. His creative process is founded on the generation and evaluation of multiple design solutions through the lens of problem-solving, storytelling, and value-creation. He most recently curated the research-based exploratory exhibit called Balancing Act: Urbanism & Emerging Technologies, which has been hosted by the Boston Society of Architects and AIA Seattle. Sae holds a Master of Architecture in Urban Design from the Harvard Graduate School of Design and a Bachelor of Architecture from the Rhode Island School of Design.
Steve Cockcroft is an Associate Principal and technical architectural expert at CBT with over 20 years of professional experience. He has worked with a broad range of clients including multi-family housing, large mixed-use commercial, hospitality, civic, and academic projects. He is an extremely valuable resource at CBT, most notably for his ability to coordinate the implementation and construction of some of the firm’s most large and complex projects. Steve holds an Associate of Engineering with Honor in Architectural-Structural Technology from the Franklin Institute of Boston.
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