Mark Stoner is an award-winning Preservation Architect and is the Senior Director of Preservation Architecture and Graham Gund Architect for the National Trust for Historic Preservation. This role includes broad stewardship oversight over the Trust's historic sites across the continental United States, ensuring their continued maintenance, preservation, and modernization.  

Mark strongly believes that historic preservation culturally enriches communities by keeping important aspects of their history alive, accessible, and vibrant. With over 15 years of architectural and historic preservation experience, he has seen firsthand how successful preservation projects bolster communities and drive further economic development. He enjoys helping owners finding ways to achieve their preservation goals, including creative financing solutions via tax credits, grants, and community partnerships.

Throughout his career, Mark has supported a wide range of preservation projects, from small feasibility studies to large-scale adaptive reuse and rehabilitation projects. He has also led National Register nominations, building condition assessments, feasibility studies, and historic structure reports. Mark also has experience working with Federal, State, and local historic preservation agencies, as well as helping clients navigate Secretary of Interior’s Standards for local and federal reviews. 
 
In 2018, Mark was honored to be recognized by the National Trust for Historic Preservation in their inaugural “40 under 40: People Saving Places” list as an  innovator “expanding our view of what it means to save places and tell America’s full history”. 

Mark holds a Bachelors of Science in Architectural Studies and a Masters of Architecture with historic preservation focus from the University of Illinois, where he was a Laing Memorial Fellow. As an undergraduate student, he spent a year studying architecture and architectural history in Versailles, France (and throughout Europe) as a participant in the School of Architecture’s study abroad program.
 
Prior to joining the National Trust in 2021, Mark was Principal Architect and Director of Preservation at Building Envelope Professional Group, LLC (BEPG), and an Associate Architect at RATIO Architects, Inc., where he served as the studio preservation specialist in their Chicago office. Mark also provides independent preservation consulting services, including HABS documentation, historic research and interpretation, and preservation-related financing solutions and state and federal historic tax credit (RITC) administration.