Mr. Johnson's company - Piston Automotive hosted the White House Empowerment Zone Conference in Detroit,Michigan. Piston Automotive is a growing minority-owned, managed and operated automotive supplier in the heart of the Detroit Empowerment Zone. Piston Automotive has created over 200 new jobs in the empowerment zone through hard work and the support of partners, customers and government. Plans for over 100 additional jobs are in process.