Rodney L. Petersen is a social historian and Protestant theologian. Dr Petersen served as executive director of the Boston Theological Institute (BTI), from 1990 until 2014, becoming director of Cooperative Metropolitan Ministries and of the Lord's Day Alliance in the US in 2014. He is a research associate at the Center for Global Christianity and Mission at Boston University School of Theology. Prior to coming to the BTI, he taught at Trinity Evangelical Divinity School and Webster University in Geneva, where he also worked with churches in France and Romania.