John Grogan is an American author and journalist best known for his memoir, Marley & Me. The book, published in 2005, tells the story of his life with his lovable but mischievous Labrador Retriever, Marley. It explores themes of love, loss, and the bond between humans and pets. In addition to writing, Grogan has worked as a columnist for various newspapers, including the Philadelphia Inquirer. His writing often reflects his experiences and observations about life, family, and the joys and challenges of pet ownership. Grogan's work has resonated with many readers, making him a prominent figure in contemporary pet literature.