Confident business professional in a blue suit and tie, smiling.

Marcus Liu

Emerald Watershed Sciences

Principal Hydrologist at Emerald Watershed Sciences, focused on stormwater and stream restoration.

Principal Hydrologist

Marcus Liu leads hydrology practice at Emerald Watershed Sciences, with two decades of work on Puget Sound stormwater and headwater-stream restoration. He is an active CAEP member and mentor to early-career scientists.