Matt Marineau is the Associate Director for Studies at the U.S. Geological Survey’s Washington Water Science Center, where he oversees the development, scientific quality, and scientific direction of the Center’s water‑resource programs. He has spent 16 years with the USGS in Washington and California, working on fluvial processes, sediment transport, and applied geomorphology to support watershed management and science‑based decision making. He is also a licensed professional engineer in Washington State.