John Wells is one of the writers, directors and producers of the US version of Shameless.
He is best known for his role as executive producer and showrunner of the television series ER, Third Watch, The West Wing, Southland, Shameless, Animal Kingdom, and American Woman.
Wells was born in Alexandria, Virginia, the son of Marjorie Elizabeth (née Risberg) and Llewellyn Wallace Wells, Jr., an Episcopalian minister. He has English, Irish, Scottish, Swedish, and Norwegian ancestry. Wells graduated from the Carnegie Mellon School of Drama in 1979. A studio theatre at Carnegie Mellon University bears his name. While at CMU, he was one of the earliest actors to work at City Theatre, a prominent fixture of Pittsburgh theatre.