As SEMA president and CEO from 2002 until his retirement in 2022, Kersting led the organization through two decades of significant growth. During his tenure, he grew the globally recognized SEMA Show and bolstered the success of 6,000-plus SEMA member companies through innovative programs and services, including the SEMA Data Co-op (now SEMA Data), SEMA Garage & Emissions Lab, SEMA Political Action Committee (PAC), SEMA Ignited, SEMA Garage Detroit, and acquisition of the Performance Racing Industry (PRI).