Dr. Sinclair Ferguson is a well-known theologian, teacher, writer, editor, and pastor. He received his Ph.D. from the University of Aberdeen and was a minister in the Church of Scotland from 1971 to 2005. He has served as an editor with the Banner of Truth Trust and worked as a minister at St George's-Tron Church in Glasgow.

In 2005 Ferguson was called to the position of Senior Minister of the First Presbyterian Church in Columbia, South Carolina, where he served until 2011. He previously held the Charles Krahe Chair for Systematic Theology at the Philadelphia campus of Westminster Theological Seminary. He has also taught at other reformed protestant seminaries, including Reformed Theological Seminary.

Ferguson has been a speaker at a number of conferences throughout the world. Books he has written, edited or contributed to include By Grace Alone: How the Grace of God Amazes Me (2010), In Christ Alone: Living the Gospel Centered Life (2009), Deserted by God: Hope for all who do not sense the Lord's sustaining presence (2008).