Chelsea Clinton is the only daughter of President Bill Clinton and Hillary Clinton. She actively participated in her mother's election campaigns. Chelsea has worked in many big companies and institutions such as McKinsey & Company, NBC, Columbia University, and New York University. She is married to Marc Mezvinsky and has three children. Chelsea is also a successful author. She has written several bestseller books for children and a special book on health policy for adults. Chelsea also plays a big role in the Clinton Foundation. Her life is associated with education, service, and social work.