Our Team
Annabelle Radcliffe-Trenner
Architect – Annabelle is trained as a preservation architect in Scotland and at ICCROM in Rome, before moving to the United States in 1988. She has specialized in complicated preservation projects that require an innovative approach and the use of advanced technology. She sits on the board of Association of Preservation Technology, and lectures all over the world.
Bonne Rawley
Managing Architect – Bonne is a registered architect and project manager with over 25 years of professional experience, both domestic and international. She has worked on a wide range of project types and sizes, from small renovations to complex new construction, leading teams in the preparation and delivery of high-quality documents. In addition to her management role, Bonne also supports HBA’s marketing and business development activities.
Christina Burris
Architectural Conservator – Christina is trained in material conservation, as well as archeology and art history. She manages the HBA material science laboratory and performs material testing, condition surveys, and prepares preservation reports.
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Ronnie Cameron
Senior Designer – Ronnie is trained in architecture with a focus on sustainability. He has professional experience working in mechanical engineering and energy efficiency design. He is responsible for managing small Unmanned Aircraft Systems (sUAS).
“Harry”
sUAS/ Flying Assistant – Our “eyes in the sky,” Harry gives us great views of the important but hard-to-reach details of historic buildings. HBA has two licensed sUAS pilots qualified under FAA regulations to fly Prince Harry.
Kallie Kothmann
Preservation Designer – Kallie is trained in conservation science and has experience in managing construction administration for restoration work. She assists with construction documents and administration, field surveys, and materials research.
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Callie Hancock
Public Relations Manager – Callie’s professional career has always been in architecture. At HBA she handles our marketing/business development.
José C. Hernández
Preservation Design Intern — José is trained in architectural theory and urban design. He has specialized in classical architecture. He is currently pursuing an M.S. in Historic Preservation with a concentration in Architectural Conservation.
Christina Johnson
Administrator – Christina will be the first person you speak with when you call. She is responsible for the day-to-day operations of the office. Christina, who is trained in graphic design, also assists with marketing and project documentation.