Gretchen is a research scientist with the South Australian Research and Development Institute (SARDI) in Adelaide, who specialises in fish ecology and biology, and fisheries science with a focus on forage fish such as sardine and mackerels. Gretchen is also involved with research using autonomous underwater vehicles to survey seafloor habitats in southern Australia. Gretchen earned a BSc and MSc in the USA and completed a PhD at the University of Adelaide. Gretchen’s PhD research used the ear bones of fish as bioarchives to detect differences in the marine environment over time. Gretchen has a strong collaborative background and works with many different stakeholders from universities, government agencies, industry associations, and in natural resource management.