Katherine Calvin is the present chief scientist of NASA.

She is an earth scientist at the Joint Global Change Research Institute.

Katherine is known for her contribution to the third  US National Climate Assessment and  two special reports by Intergovernmental panel on climate change (IPCC).

Being an earth scientist she researches how to use global resources for human use by using earth modeling system at JGCRI.

With the help of  environmental and socioeconomic lens she researches the interaction between global resources focusing on the impact of land, water and energy.