Macus Lloyd Alexander was born in Canadian, Oklahoma on October 26, 1934. He was ordained by the Assemblies of God in 1957.

In his lifetime, Marcus conducted more than a thousand revival meetings preaching to thousands upon thousands of people all across the Southwestern United States. He also pastored six different congregations including Faith Assembly of God in Tulsa, Bethel Assembly of God in Duncan, First Assembly of God in Checotah,, and First Assembly of God in Muskogee. Many people today testify to having received Christ under his ministry. Marcus was always an encourager and helped mentor others in their life and ministry.

Marcus was called "the Walking Bible" for his memorization of Scripture often quoting hundreds of verses with each sermon! In addition to his having memorized all of the New Testament and most of the Old, he was also an academic scholar having graduated from Southwestern Assemblies of God University, in Waxahachie, TX and also attended the Assemblies of God Theological Seminary in Springfield, MO.

Marcus also served on the tribal council of the Western Cherokee Nation of Missouri and Arkansas, often praying over their meetings in their native Cherokee language.

Brother Alexander passed on May 17, 2019 in Broken Arrow, Oklahoma.