Chris Greening is a biochemist, microbiologist, and academic. He is a Professor of Microbiology and leads the One Health Microbiology group and Global Change Research Program of the Biomedicine Discovery Institute at Monash University in Melbourne, Australia. He is most known for his work on the basis, role, and significance of the microbial metabolism of trace gases such as hydrogen, methane, carbon monoxide, and carbon dioxide. He has held prestigious fellowships from the CSIRO (2014-2016), Australian Research Council (2017-2019), and National Health and Medical Research Council (2020-2024) and was awarded the Fenner Medal 2022 from the Australian Academy of Science.