(born 21 February 1948) is a Scottish theologian known in Reformed Christian circles for his teaching, writing, and editorial work. He has been Chancellor's Professor of Systematic Theology at Reformed Theological Seminary since 2017, commuting from Scotland, where he was an assistant minister at St. Peter's Free Church of Scotland, Dundee. He is currently a preaching associate at Trinity Church, Aberdeen.

Career
Ferguson studied at the University of Aberdeen for all of his university education, earning first a master of arts, then a bachelor of divinity, before gaining his Ph.D. During his days as a student, he worshiped at Gilcomston South Church, under the ministry of William Still.

Ferguson was ordained as a minister in the Church of Scotland in 1971, becoming the minister of St. John's, Baltasound, the most northerly parish in Scotland, on the island of Unst, Shetland. He was the pastor there for 10 years. After his service on Unst, he was offered a teaching position as a part-time Professor of Systematic Theology at Westminster Theological Seminary, Philadelphia.

He then moved back to his native Scotland in 1997, filling the pulpit at St George's-Tron Church, Glasgow, where he had served as Assistant Minister to George B. Duncan ,succeeding the 20-year ministry of Eric Alexander.

In the mid-2000s, he then transferred back to the US to the Associate Reformed Presbyterian Church, serving as the senior pastor of historic First Presbyterian Church of Columbia, South Carolina.

From 25 August 2013, he served as a preacher and elder at St. Peter's Free Church of Scotland in Dundee. In recent years, Sinclair has become the preaching associate at Trinity Church in Aberdeen.

In 2022, a Festschrift was published in his honor. Theology for Ministry: How Doctrine Affects Pastoral Life and Practice includes contributions from Joel Beeke, Ligon Duncan, W. Robert Godfrey, Michael Horton, Douglas Kelly, Robert Letham, Philip Ryken, and Chad Van Dixhoorn.

Other Roles
Ferguson has served as an editor with the Banner of Truth Trust.

He was also a professor of systematic theology at Redeemer Seminary in Dallas.

He has held the Charles Krahe Chair for Systematic Theology at Westminster Theological Seminary.

He also previously served as a council member of the Alliance of Confessing Evangelicals.

He serves as a Teaching Fellow for Ligonier Ministries.

Personal Life
Sinclair was born and raised in the East End of Glasgow, although his family originate from the north of Scotland.[6] It wasn't until going to Aberdeen University that he left Glasgow. He was converted to Christianity before he turned 15.

He is married to Dorothy. Together they have three sons and a daughter, and 12 grandchildren.

Taken from the Wiki page at:
https://en.wikipedia.org/wiki/Sinclair_Ferguson

Sinclair Ferguson: The Holy Spirit
With the rise of Pentecostalism and the charismatic movement in the twentieth century, the Holy Spirit is no longer the forgotten person of the Trinity. There is, however, great confusion among many church members about His person and work and gifts. Sinclair Ferguson explains that it is the responsibility of those called to lead the church to teach those who are entrusted to them about the Holy Spirit—the third Person of the Trinity.

Sinclair Ferguson - The Holy Spirit Today
The Holy Spirit in Reformed Theology & Ecclesiology
The 2018 IPC Catalyst Conference in Ealing, West London, looked at the doctrine of the Holy Spirit and applied it to the challenges and opportunities of contemporary church ministry. We considered the person and work of the Spirit in relation to pastoral ministry, the viability of cessationism and the implications of Pentecost for the life of the church, and what it means to worship the living God in spirit and truth. In this talk, Dr Sinclair Ferguson gives the first of three lectures, this one entitled 'The Spirit of Christ'. For audio files of the other two talks, as well as all the talks from the conference, please visit: http://ipc.church/catalyst/

Interview: Sinclair Ferguson on Five Decades of Ministry

How Jesus Thinks About Us - Dr. Sinclair Ferguson (1/8/23)
Have you wondered how Jesus thinks about you? Visiting pastor Dr. Sinclair Ferguson looks at part of “Jesus’ high priestly prayer” from John 17:20-26 (ESV) as he brings us the sermon “How Jesus Thinks About Us.