President-elect Trump tapped Montana Congressman Ryan Zinke to head the Department of the Interior, the cabinet position tasked with management of 500 million acres of federal lands — about one-fifth of the entire United States. As Secretary of the Interior, Zinke’s decisions will impact conservation, recreation, wildlife refuges, endangered species, tribal lands, clean air and water, energy development, and the economy, as well as the beloved National Parks.

So who is this guy anyway? Watch our video above.