Complex sentence: Jon Wellinghoff (born May 30,1949) is an American attorney and energy expert who has been at the forefront of cutting-edge, energy issues such as renewable integration, plug-in electric vehicles, and the modernization of the nation's electric grid.
Split into simpler sentences: Jon Wellinghoff (born May 30,1949) is an American attorney. His work in energy has included renewable integration, plug-in electric vehicles, and the modernization of the nation's electric grid.