CRC Team

Margaret Berger

Owner/Principal Investigator, MA/RPA

Margaret has been a professional archaeologist in Washington State since 2006. She earned her MA from the University of Washington in 2004 and worked as a Cultural Resources Intern for WSDOT prior to joining CRC. Over the years, Margaret has completed over 350 CRM overviews, surveys, and testing projects for private entities as well as municipal, state, and federal agencies. Margaret’s project experience and working relationships with various agencies and local tribes demonstrates her competence and commitment in the field of CRM.

Sonja Kleinschmidt


As of December 31, 2022, Sonja has stepped down from her roles as Projects Manager and Co-Owner. We wish her all the best!

Ian Kretzler

Project Manager, PhD/RPA

Ian has worked on archaeological research and historic preservation projects in Washington, Oregon, and Idaho. He received a MA and PhD in anthropology from the University of Washington. His graduate training focused on collaborative and indigenous archaeologies, which offer strategies for incorporating the perspectives of tribes, the general public, and other stakeholders into cultural heritage documentation and protection. Since joining CRC in 2019, Ian has conducted background research, field surveys, and technical writing for a variety of projects around Puget Sound.

David Carlson

Project Archaeologist, PhD candidate

David has worked on archaeological research and heritage management projects in Florida, North Carolina, Virginia, Oregon, and Washington State. He earned a Certificate in GIS from the University of West Florida in 2009 and his MA from the University of Washington in 2012. He is currently finishing his PhD there as well. His research and training focuses on racism and racialization, historic archaeology and historic artifact analysis, landscape archaeology, survey methods, and GIS. He has additional experience in lithic analysis. Since joining CRC in 2021, he has conducted background research, field surveys, laboratory analysis, and technical writing for projects across Washington State.

Jessica Gardner

Project Archaeologist/Historic Built Environment, BA

Jessica received her BA in Anthropology from Western Washington University and worked in several states around the U.S. before working solely in the Pacific Northwest in 2014. In 2015, she join CRC and has completed over 100 projects. Her work has focused in western and central Washington with project contributions including: field survey and monitoring; geomorphic analysis; research concerning cultural and historic documentation; laboratory analysis; technical writing; and historic property documentation. Jessica is CRC's Whatcom County based archaeologist.

Juliet Oreste

Field Archaeologist, BA

Juliet completed her BA in Anthropology - Archaeological Sciences at University of Washington in 2022, where her training included field methods in indigenous archaeology. While at UW, she also worked as a geoarchaeology research assistant and as a research/lab assistant in the Pacific Northwest Archaeology Lab. She has held internships at the American Museum of Natural History's North American Archaeology Lab and the Fine Arts Museums of San Francisco. Since joining CRC in August 2022, Juliet has assisted with archaeological surveys, archaeological monitoring, archaeological site documentation, research, and technical writing on a variety of projects in western Washington.

Teresa Peterson

Financial and Administrative Support