Klaus S. Lackner is the Founding Director of the Center for Negative Carbon Emissions (CNCE) and a professor in School of Sustainable Engineering and the Built Environment at Arizona State University.

[9] Along with CNCE executive director Allen Wright, he co-founded one of the first privately held air capture companies—Global Research Technologies (GRT)—in Tucson, Arizona where they demonstrated the moisture swing.

[10] Prior to his academic work he held appointments at the theoretical division of Los Alamos National Laboratory for nearly 17 years.

[15][16] Subsequently the carbon dioxide captured can be either sequestered in underground geological formations or sold for industrial use.

The PDAC and Mechanical Tree technology has been licensed to Carbon Collect Limited by CNCE.