Andrew Richardson is an ecologist whose research focuses on (1) the exchanges of carbon, water, and energy between the land surface and the atmosphere; (2) phenology, or the seasonality of vegetation activity; and (3) carbon allocation in trees. He has been a professor at Northern Arizona University since 2017. He established the PhenoCam network in 2008, and has co-led Bartlett AmeriFlux tower measurements since 2004. He has chaired the AmeriFlux Science Steering Committee since 2022.