Rev. Dr. John (Hans) and Gretchen Trinklein and their children

Rev. Dr. John (Hans) and Gretchen Trinklein

Serving the Lord in South Korea


Rev. Dr. John (Hans) and Gretchen Trinklein serve the Lord through The Lutheran Church—Missouri Synod (LCMS) as career missionaries in Seoul, South Korea. Hans teaches at Luther Theological University and Luther Seminary. He also works with LCMS’ partner church, the Lutheran Church in Korea (LCK), helping them with their strategic vision and planning, with church planting and with continuing education for their pastors.

Hans’ hometown is Racine, Wis. He calls Olive Branch Lutheran Church, Okawville, Ill., his home congregation. He received a Bachelor of Business Administration degree in public accounting from Hofstra University, Hempstead, N.Y. He also received a master’s degree in apologetics from the Simon Greenleaf School of Law, Anaheim, Calif. (now known as Trinity Law School, Santa Ana, Calif.). He acquired his Master of Divinity and a Ph.D. in systematics from Concordia Seminary, St. Louis. Before serving in South Korea, Hans worked as a public accountant; he taught accounting at three different universities in southern California; and he served as pastor first at Zion Lutheran Church, Pierce, Neb., and, most recently, at Olive Branch Lutheran Church, Okawville, Ill. Hans’ hobbies include woodworking and spending time with his family.

Gretchen was born in Whittier, Calif. She calls Olive Branch Lutheran Church, Okawville, Ill., her church home as well. She received a bachelor’s degree in liberal arts from Christ College, Irvine, Calif. (now known as Concordia University, Irvine, Calif.). Over the years, she has served as a Lutheran preschool teacher, a substitute teacher, a nanny and a homeschool teacher to her children. Gretchen enjoys sewing, making cards, guitar, calligraphy, drawing, biking, hiking, art and music. Hans and Gretchen have four children - Jael, Abigail (Abi), Michael (Mike), and John - who join them on the mission field.


Pray for the Trinkleins as they serve in South Korea. Ask God to give them grace and peace as they transition to missionary life, learning the new language and culture. Pray for wisdom and grace as they pass on their belongings before they leave for South Korea. Ask God to give them clear direction and wisdom concerning where Abigail will attend college. Pray for a smooth process in acquiring visas for Jael and Abigail. Ask God to provide for homeschool support and good Christian friends in Seoul. Pray that their eyes and hearts are open to recognize the opportunities the Lord daily gives each of them to share the Gospel so their service in Christ’s name is fruitful. Give thanks to God for the people who are partnering with the Trinkleins in prayer and financial support.

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Special Dates

  • Birthdays:
    • Hans - May 3
    • Gretchen - June 17
    • Jael - May 15
    • Abigail (Abi) - Aug. 22
    • Michael (Mike) - Aug. 24
    • John - Feb. 27
  • Wedding Anniversary: July 24
  • Home District: Southern Illinois

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Giving Online: You can partner with the LCMS by making an online gift restricted in use to the support of the TRINKLEIN family.

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Giving by Check: You can also make a donation towards this family’s ministry by check.
Mail your check, made payable to The Lutheran Church—Missouri Synod and designated with their last name
, to:


The Lutheran Church—Missouri Synod
P.O. Box 66861
St. Louis, MO 63166-6861

(Or call 888-930-4438 to speak with someone.)

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