Professor Ian Plimer is a distinguished Australian geologist and emeritus professor of earth sciences at the University of Melbourne. With a career spanning decades, he has authored numerous books and over 120 scientific papers, contributing significantly to geology and climate science.

A leading critic of the mainstream climate change narrative, Professor Plimer advocates for a scientific approach rooted in empirical evidence. His outspoken views and expertise continue to shape discussions on climate and energy policy in Australia and around the world.