Where We Serve

For 100 years we have experienced God's faithfulness as our team labors to proclaim the Gospel in South America.

We currently have missionaries located in Argentina, Chile and Uruguay, and we're praying for opportunities to expand into other countries.

Click on a region of the map to see where GMSA missionaries serve.

A Singular

Serving sending churches and their missionaries by facilitating the establishment of reproducing churches in South America.

A Biblical

Accomplishing our purpose by evangelism, discipleship and leadership training.

A Proven

Strengthening local churches through Bible Institutes and Christian Camps.

Be a part of what God is doing through us!


Your partnership through prayer is vital to Christ building His Church.


Thank you for investing in Great Commission ministry.


Would you prayerfully consider joining the GMSA team?


Mark & Bekah Perry

God’s Good Gift

The author of Ecclesiastes reminds us that enjoying the work God has set before us is one of His many

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Mariano & Becky Proto

News from the Protos

Update on ConstructionWe would like to keep all of you updated on the construction that is taking place here at

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And Jesus came and spake unto them, saying, All power is given unto me in heaven and in earth. Go ye therefore, and teach all nations, baptizing them in the name of the Father, and of the Son, and of the Holy Ghost: Teaching them to observe all things whatsoever I have commanded you: and, lo, I am with you alway, even unto the end of the world. Amen.

Matthew 29:18-20