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 towed cameras and 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.