Erwin Raphael McManus (August 28, 1958) is an American author, lecturer, and pastor of Salvadorean descent.McManus is the lead pastor of Mosaic Church, a Christian community in Los Angeles, California which has been named one of the most influential and innovative churches in America. He made his name first by becoming a popular speaker on issues related to postmodernism and postmodern Christianity, but also writes and lectures on topics such as culture, change, creativity, and leadership.