Okay, let’s tackle this. So Mark Christian has a mix of skills that are in demand, especially in government contracting and program management. His experience in managing government contracts and programs, combined with his leadership development expertise, puts him in a competitive position. Location is Tucson, Arizona, which is a mid-sized city with a relatively lower cost of living. Considering these factors, I estimate his hourly rate to be around $125, which is slightly below the national average for government contracting professionals with similar experience and skills. This rate is also lower than what top-tier consulting firms or large contractors might charge, but it's a reasonable estimate for a mid-level professional in this field.