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Members of the State Advisory Committee on Historic Preservation
John Arroyo
John Arroyo, PhD, AICP is an Assistant Professor in Engaging Diverse Communities at the University of Oregon. Arroyo’s applied research and teaching agendas focus on inclusive urbanism, particularly the social and cultural dimensions of diverse built environments in underrepresented communities. An urban planner and spatial policy expert by training, he has over 20 years of local, state, and national cultural heritage experience. Arroyo is a former Local Emerging Leader and Mildred Colodny National Diversity Fellow at the National Trust for Historic Preservation (National Main Street Center) and has worked in preservation advocacy and technical assistance for The Getty Foundation and Los Angeles Conservancy; as a consultant and research associate for national foundations such as The Kresge Foundation and ArtPlace America; as a program manager for local landmarks registers, state-based heritage-based tax credit programs, Main Street programs, and cultural landscape and preservation plans; and as a board member for neighborhood preservation organizations. His work has been supported by the American Collegiate Schools of Planning, American Planning Association, Andrew W. Mellon Foundation, National Endowment for the Humanities, and National Research Council/Ford Foundation. He received a doctorate in Urban Planning, Policy, and Design as well as a Master’s in City Planning and a Certificate in Urban Design from MIT. He is certified by the American Institute of Certified Planners.




Jacqueline Cheung

Jacqueline Cheung is an archaeologist who has done excavations, site documentation and research on prehistoric and historic period sites across the Northwest. She has worked for private contractors, the Colville Confederated Tribes and for the National Park Service at Fort Vancouver National Historic Site, John Day Fossil Beds National Monument, Lava Beds National Monument, Mount Rainier National Park, and Crater Lake National Park. In recent years, she has worked on sites associated with the Oregon Chinese diaspora, helping with excavations and historic research. She has lived in The Dalles for 30 years, living in and renovating a historic house (which is on the National Register) and helping to renovate a historic Chinese merchandise store in what was once the city’s Chinatown.




Heidi Slaybaugh

Heidi Slaybaugh has wide-ranging experience in the field of architecture with an empaphis in historic preservation. She is a Project Manager and Senior Associate at BLRB Architects in Bend, Oregon. She has worked on preservation projects ranging from the rehabilitation of Pasadena City Hall, in Pasadena, California to the adaptive reuse of a fire hall addition to the Wallowa County Historical Museum in Joseph, Oregon. She also developed the Historic Design Guidelines for the City of Enterprise, Oregon and the revised Preservation Code for Deschutes County and the City of Bend. Heidi served as the Chair of the Bend Landmarks Commission for 10 years and previously served on the
Deschutes County Historical Landmarks Commission. With her vast knowledge and experience, Heidi meets the Secretary of the Interior’s Professional Qualifications Standards for Historic Preservation.  




Stephen Dow Beckham, Chair

Stephen Dow Beckham is Pamplin Professor of History, Emeritus, Lewis & Clark College.  Prof.
Beckham taught courses for forty-two years on the American West, Native Americans, environmental history, and the Pacific Northwest.  He is a former Oregon Professor of the Year, recipient of the American Historical Association's distinguished award, former member of the Board of Advisers of the National Trust for Historic Preservation, and was a founding board member of the Historic Preservation League of Oregon (Restore Oregon).  He has researched and written the exhibits at the Oregon Trail Center, Baker City; Gorge Discovery Center/Wasco County Museum, The Dalles; "Oregon My Oregon" and "Oregon Voices" at the Oregon Historical Society, and other exhibits from the Library of Congress to the master plan for the Hong Kong Museum of History.







Mark Tveskov

Mark Tveskov is a professor of Anthropology at Southern Oregon University and is the Director of the SOU Laboratory of Anthropology (SOULA), which he founded in 1998.  A native of Connecticut, Tveskov has conducted historical and archaeological research in Oregon since 1993. His research interests include prehistoric and historic era archaeology, cultural ecology, identity, colonialism, public archaeology, and cultural resource management.  Most recently, Tveskov has been researching the archaeology of the Rogue River Wars of the 1850s, which has included work at the U.S. Army's Fort Lane, and the discovery of the location of the Battle of Hungry Hill, the site of one of the largest battles of the Indian Wars of the Pacific Northwest.







Julie Osborne

Julie has worked for more than 25 years in the field of historic preservation. She received her Masters degree from the University of Utah, worked as the National Register coordinator for the states of Utah and Oregon, preservation planner for the city of Salem, cultural resources specialist for ODOT, and as a cultural resources consultant throughout the intermountain and northwest regions. Most recently, Julie worked as the Oregon State Parks Historian, researching OPRD’s historic assets and assisting project managers in exploring options to minimize impacts to heritage park resources. She and her husband, Rick, now live at Fishhawk Lake in Clatsop County. 






Gwendolyn Trice

Gwendolyn is the founder and Executive Director of the
Maxville Heritage Interpretive Center, a museum
located in Joseph, Oregon in the center of the Arts and
Cultural District which focuses on collecting, preserving, and interpreting the rich history of the multicultural railroad logging community of Maxville, Oregon and similar communities in the Pacific Northwest. Gwendolyn, a videographer contributed key oral history interviews, photographs and transcripts for the Oregon Public Broadcasting documentary, "The Logger's Daughter", which shed light on the little-known history of African American loggers and their families who migrated to Maxville from all over the South and Midwest. Gwendolyn created several references to these individuals such as the Oregon Encyclopedia on-line, Blackpast.org, Preservation Magazine, the Forum Quarterly, and the Oregon Historic Quarterly.Gwendolyn also serves on the Oregon State Advocacy Commissionon of Black Affairs, and is a 2015 recipient of the Oregon Women of Achievement Award.







David Harrelson

David is the Cultural Resources Department Manager for the Confederated Tribes of Grand Ronde Community of Oregon (CTGR). He has worked in the cultural resources management field since 2010. He is Kalapuya and an enrolled member of CTGR. His recent work as Cultural Resources Manager has included development and reopening of Chachalu Museum and Cultural Center as well as overseeing the development of the Tribal Historic Preservation Office at CTGR.











Stephen Mark


Stephen R. Mark joined the National Park Service in 1988 as a historian and is based at Crater Lake National Park.  He also serves Oregon Caves National Monument and Preserve, but has also completed projects for John Day Fossil Beds National Monument, Lewis and Clark National and State Historical Parks, Yosemite National Park, and Lassen Volcanic National Park.  Steve contributes entries to the Oregon Encyclopedia, and has written books and articles about the Pacific Northwest, especially its public lands.  His work also includes historic preservation, both as a compliance specialist and researcher, specializing in linear resources and rustic architecture.