Heidi Baker is a Christian charismatic missionary and with her husband Rolland co-founder of IRIS Ministries and the author of several books. Together with her husband Rolland Heidi founded IRIS Ministries in 1980, a non-profit Christian ministry dedicated to Jesus and evangelism, especially among the poor. After twelve years ministering in Asia, they left in 1992 to do their PhD's at King's College London, UK. In 1995 they started a new ministry to the poor and homeless children in Mozambique.