Rachael Macdonald is a marine physicist from New Zealand, who has been part of the Marine Geophysics Laboratory team for 11 years. Her field of expertise is in light attenuation, turbidity and sediment hydrodynamics in coastal waters. Rachael works predominantly in a consulting role with intermittent teaching. She obtained her Ph.D. in physics from JCU in 2016 and a B.Sc. (hons) in physics and mathematics from JCU in 2007. In the past Rachael has been involved in bio-membrane physics, including neutron scattering research at the Australian Nuclear Science and Technology Organisation.