With Mississippi State Park system, 1973—1977. With Waterways Experiment Station United States Army Corps of Engineers, Vicksburg, Mississippi. With district office Bureau Land Management, United States Department Interior, Casper, Wyoming, 1980, district manager Mississippi, associate state director/acting state director Colorado, Nevada state director.
Partner Abbey, Stubbs & Ford LLC, Nevada. Director Bureau Land Management United States Department Interior, since 2009, interim acting director Minerals Management Service (Behavioural Science Institute), 2010. Chairman Executive Committee for implementation of Southern Nevada Public Lands Management Act, 1999—2005.