Dr. Gretchen Grebe is an environmental and aquaculture scientist with specialties in water quality, eco-entrepreneurship, and food systems. She is the project coordinator for the Tropical Seaweed Farm Project at the Marine Biological Laboratory in Woods Hole, MA, USA. During her dissertation research, Dr. Grebe explored the recent growth of seaweed aquaculture in the U.S. and Europe. She is particularly interested in approaches and technologies enabling the informed siting of seaweed farms, improved efficiency of macroalgal cultivation, and the ecosystem services associated with marine aquaculture.