Dr. Matthew Gray Hamilton has a background in genetic improvement programs for abalone, shrimp, oysters, finfish, eucalypts, and pines, primarily based in Australia. His current work at WorldFish focuses on tilapia and carp genetics in Asia and Africa.

Matthew's primary professional interest is the optimization of genetic improvement programs. He aims to maximize genetic gains through the adoption of appropriate data management, analyses, and decision-making processes, while considering infrastructure, financial, biosecurity, human resource, environmental, biological, and genetic constraints. His primary skills are in data management and quantitative genetic analyses.