Mike Gallagher is the Republican nominee running in 2016 for the U.S. House seat held by Republican Reid Ribble. He is the senior global market strategist at Breakthrough Fuel, a Green Bay supply chain fuel management company. Gallagher previously served as a human intelligence and counterintelligence officer in the U.S. Marine Corps. He was a foreign policy aide to Wisconsin Gov. Scott Walker's 2016 presidential campaign.