Complex sentence: His mother, Dorothy Lipsey Romonek, was a trustee of the California Institute of the Arts and his father, Richard E. Sherwood, was a partner in a Los Angeles law firm and long time leader of the American Jewish Committee.
Split into simpler sentences: His mother, Dorothy Lipsey Romonek, was a trustee of the California Institute of the Arts. His father, Richard E. Sherwood, was a partner in a Los Angeles law firm, and long time leader of the American Jewish Committee.