Our Team


Vice President, Registered Architect

After 21-years on staff with Stan Hywet Hall & Gardens, Mark Gilles, Vice-President and Primary Architect for ARRC, Inc (Architectural Restoration and Renovation Consultants, Inc.), is retiring April 1, 2022.

As the principal design professional, he directed ARRC’s design services, provided restoration consultation and served as manager for construction management services to Stan Hywet Hall & Gardens as well as home owners, business owners, non profit organizations and local and state governments.

As Director of Historic Restoration of Stan Hywet Hall & Gardens, Inc. he was responsible for the planning, document production and execution of capital campaign projects associated with the museum’s Manor House and historical support buildings. He was also responsible for National Landmark reporting to the National Park Service Midwest Regional Office.

Project Experience

Historical Restoration and Renovation:

*denotes private practice experience

  • Stan Hywet Hall & Gardens: Akron, Ohio – Ongoing Architectural Services, Historical Restoration
  • C.R. Howard House: Aurora, Ohio - Renovation of Residence listed on the National Register of Historic Places
  • *Hudson Town Hall: Hudson, Ohio – Interior and Exterior Restoration and Renovation
  • *Olde Tallmadge Town Hall: Tallmadge, Ohio – Complete Facade Restoration
  • *Aurora Town Hall: Aurora, Ohio – Historical Restoration
  • *The Inn at Brandywine Falls: Sagamore Hills, Ohio – Adaptive Reuse
  • *Warrensville Heights Offices: Warrensville, Ohio – Restoration and Renovation of Administrative Offices and Police Department
  • *Hudson Town Center Redevelopment: Hudson, Ohio – Architectural Advisor to Redevelopment
  • *Newell K. Whitney General Store & Post Office: Kirtland, Ohio - National Historic Register Restoration


  • 2010 AIA Cleveland, Merit Award, Restoration - Stan Hywet Hall & Gardens Storm Water Management
  • 2009 Cleveland Restoration Society / Cleveland AIA Preservation Award in Technical Excellence, for the restoration of the C.R. Howard House, Aurora, Ohio
  • 2009 Heritage Ohio Best Small Residential Rehabilitation Award, for the masonry restoration of the C.R. Howard House, Aurora, Ohio
  • 2005 Cleveland Restoration Society Preservation Award in Ongoing Stewardship, Historic Structures departmental contribution Stan Hywet hall and Gardens mission of ongoing preservation
  • 2003 Ohio Historic Preservation Office Award for the Preservation & Revitalization of the Town Hall and Academy Building, Tallmadge, Ohio
  • Ten (10) Year Dedicated Service Award from the Aurora Landmark Commission and City of Aurora, Ohio
  • The 1988 National Park Service President’s Award for Historic Preservation of the restoration of the Newell K. Whitney General Store and Post Office

Professional Membership:

  • AIA - Member in Good Standing with each of Cleveland, Ohio and National American Institute of Architects
  • Cleveland Restoration Society
  • Heritage Ohio
  • PTP - Progress Through Preservation
  • APT - Association for Preservation Technology
  • National Trust for Historic Preservation
  • Western Reserve Historical Society
  • Ohio Historical Society
  • OMA - Ohio Museum Association

Professional Certification:

  • Registered Architect, State of Ohio, The Commonwealth of Virginia

Professional Training

  • National Register Nomination Procedures
  • Ohio Historic Inventory filing procedures
  • Federal 106 Review logistics & 106 Mitigation
  • Ohio Cultural Facilities Commission Documentation
  • National Park Service Historic Preservation Certification, Historic Tax Credit