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Sustainability in Preservation


Date: April 27, 2023

Time: 9 a.m. to 11 a.m. MST

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Webinar speakers Robert Graham and Simon Herbert will discuss making historic buildings more sustainable and maintaining historic buildings in a sustainable way. Specific topics include: design, solar, windows, heating, cooling, and more. As the saying goes, “the greenest building is the one that already exists.”



  • 9 a.m. ~ Start

  • 9:05 a.m. ~ Introductions

  • 9:10 a.m. to 9:50 a.m.~ First speaker presents

  • 9:50 a.m. to 10:30 a.m. ~ Second speaker presents

  • 10:30 a.m. ~ Q&A

  • 10:55 a.m. ~ Announcements & Adjournment


Bob Graham is Principal Architect of Motley Design Group of Phoenix, Arizona. He has worked across the state to identify, preserve, and rehabilitate a wide variety of historic resources. The focus of his work has been in the areas of historic preservation, urban infill, and rehabilitation projects.  He has been recognized individually for his volunteer activities and his design work in historic preservation with a Governor's Heritage Preservation Honor Award and also received the Young Architect Citation from the Arizona Division of the American Institute of Architects. He currently serves on the City of Phoenix’s Design Review Committee and as President of the Grand Avenue Members’ Association.

With a preservation career spanning more than 40 years, Simon Herbert retired from Pima County in 2021 after a 15-year position as Architectural Preservationist and Program Coordinator. Prior to working for the county, he taught building preservation trades at the college level for 10 years. While at Pima County, he was involved with numerous county-owned and affiliated historic properties, helping with documentation, project development, and frequently participated with actual repair work. Perhaps the most rewarding project was Canoa Ranch (founded in 1821 as a Spanish Land Grant), where large numbers of adobe structures and ranch structures were at risk. He also ran groups of volunteers in building repair sessions, where work included the rebuilding of large gates, and extensive repair and rebuilding the retaque corrals. Over several years he taught students at Cienega High School in Vail to repair wood framed windows for a historic railroad building. In retirement he continues to consult on select preservation projects, is an accomplished architectural photographer, and a published author of historical fiction. Simon is originally from Jersey in the British Channel Islands. He graduated from Ravensbourne College of Art and Design near London with a degree in Industrial Design and has a Master of Science degree in Historic Preservation from the University of Pennsylvania.

Photos: Robert Graham and Simon Herbert

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