Dan Marriott has been a national leader in historic preservation for two decades and is recognized for his diverse and interdisciplinary approach to landscape architecture heritage and cultural landscapes. He is a licensed landscape architect and spent his early career working for design firms on projects ranging from planned communities to waterfront redevelopment.
Marriott was a program director at the National Trust for Historic Preservation and is currently principal of a consulting practice, Paul Daniel Marriott + Associates, where he serves as a landscape architect and technical consultant to federal, state, tribal, and local governments, and international organizations and educational institutions. He taught landscape history at the George Washington University for over 20 years and has been a guest lecturer and visiting critic in landscape architecture, historic preservation and planning programs at Columbia University, Cornell University, UCLA, the University of Maryland, and the University of Oregon. Marriott teaches a policy course on historic roads for the National Preservation Institute and was an instructor for the American Institute of Architects Sustainable Cities Design Academy.
Marriott is the author of the two most referenced books on historic roads and is considered a global expert on the topic. He served as a World Heritage field investigator for the International Council on Monuments and Sites (ICOMOS) in Mexico and has lectured on historic and scenic roads in Australia, France, and the United Kingdom. In 2009, he was awarded a prestigious Fitch Foundation Fellowship for historic preservation. In 2016, Marriott was appointed to the Board of Trustees for the National Association for Olmsted Parks. Most recently, his reserach was featured in the exhibit, "Repton Revived: The Landscape Gardener's Legacy and Influence" at the Garden Museum in London.