Tim is an internationally recognized professional engineering geologist and hydrogeologist with 33 years of applied science and research experience in geomorphology, environmental assessment, habitat restoration, risk assessment, self-mitigating flood and erosion protection, sustainable land management, and water resources. He has led over 150 restoration projects in Washington, Oregon, Hawaii, Idaho, California, and Alaska. He conceived and pioneered engineered logjam technology now used around the world. Tim has repeatedly been instrumental in establishing industry standards for evaluating and designing land use and self-mitigating flood protection measures. In addition to numerous technical publications, he has authored state and federal guidelines for river assessments and the use of wood in restoration. Tim’s work is cited and used all over the world to better understand and restore rivers.

See Tim’s publications on his Google Scholar Profile.