Manuel Ortiz (1938–2017) was professor of ministry and urban mission and director of the urban program at Westminster Theological Seminary. His books include The Hispanic Challenge: Opportunities Confronting the Church, One New People: Models for Developing a Multiethnic Church, and Urban Ministry: The Kingdom, the City and the People of God (coauthored with Harvie Conn).
Ortiz was passionate about integrating urban ministry, education, and the gospel, and he spoke and consulted around the nation. For fourteen years he ministered to Hispanics in Chicago, founding five urban congregations, two elementary schools, and an extension school for theological education. He was also the founder and senior pastor of Spirit and Truth Fellowship (Christian Reformed Church), a multiethnic congregation in Philadelphia, and the codirector of the CRC Philadelphia Initiative for Church Planting.