Mark Randall has over 15 years of experience in managing and maintaining an extensive network of hydrometric monitoring stations for the Queensland Government (Australia), developing key skills in the collection, validation, and analysis of hydrometric data. Since 2010, Mark has played a key role in developing and managing Australian national industry guidelines as a member of the Australian Bureau of Meteorology’s Water Monitoring Standards Technical Committee (WaMSteC). In 2016, Mark began applying and validating image velocimetry techniques for calculating stream velocity and discharge using quadcopter drones and fixed cameras. In 2021 Mark led the development and publication of the first Australian national guideline document governing the application of these methods and has provided training and guidance to monitoring agencies around the world.