Our Faith in God


Gospel Truth Ministries has always used the Apostles' Creed to define its fundamental faith in God:
I believe in God the Father, Almighty, Maker of heaven and earth:
And in Jesus Christ, his only begotten Son, our Lord:
Who was conceived by the Holy Spirit, born of the Virgin Mary:
Suffered under Pontius Pilate; was crucified, dead and buried:
He descended into hell:
The third day he rose again from the dead:
He ascended into heaven, and sits at the right hand of God the Father Almighty:
From thence he shall come to judge the quick and the dead:
I believe in the Holy Spirit:
I believe in the holy, universal church:
The communion of saints:
The forgiveness of sins:
The resurrection of the body:
And the life everlasting. Amen.
In addition, we also hold to the truths set forth in both the Nicene and Athanasian creeds.

These Christian documents have stood the test of time and all true Christian believers, regardless of denominational affiliation, gladly subscribe to the biblical truths contained within them.

The Full Gospel of Jesus Christ

Broadcasting the Word of God from Cincinnati, Ohio, USA!

Prophetic Voice Institute

Our three ministry courses are downloaded freely and mailed in printed format across the world, to serve to ensure the student's security as a faithful believer in the Lord Jesus, to build up those believers in His Body, and to equip them for their new life in the Kingdom of God by living in power of the Spirit.

With over 19837 course registrations from students in 168 countries/territories, including all 50 of the United States, the Prophetic Voice Institute features a combined total of over 750 pages of power-packed material to disciple the new believer and take him or her to the fulness of the blessing of the Gospel of Christ.

Prophetic Voice Publications

Our publications, including 20+ books (free PDF, Kindle, and print) and 3559 audio sermons/teachings (CD & MP3), also freely go out to many nations of the world, continuing to build upon the firm foundation set, which is the Lord Jesus Christ Himself. The teachings serve to enlighten the hearts of those who have a desire to know Yahweh God more fully, especially in preparing for His return for His beloved people!

Download the MP3 of the latest message shared here, by Joseph Kostelnik, on 11/13/2019: "Soil, Saints and Sinners" - "All That Glitters Isn't Gold, Spiritually Speaking!"

Living by Faith is aired as a 30-minute weekly broadcast over 1320AM, WCVG Radio (greater Cincinnati, Ohio area), and is programmed by our faithful brother, Jeff Eldred.

A past outreach included streaming our own online radio station, The GTM Radio Network, for nearly 10 years, with listeners from 122 nations!

White Oak Chapel

We host a non-denominational, Spirit-filled church in a suburb of Cincinnati, Ohio--White Oak Chapel--to disciple those looking for an oasis where they can worship God and receive Full-Gospel teaching with similar like-minded believers; and we encourage our members to reach out to the lost in their spheres of influence with the Good News of Jesus Christ!

You'll find many of the things common in today's modern, Christian assembly:

  • Corporate worship of God including celebration of the Lord's Supper at every service
  • In-depth teaching of the Bible and Holy Spirit-led preaching, an attended nursery for babies and toddlers and optional Sunday school for young children during Sunday services
  • Pastoral care for members such as performing marriages, funerals, and counseling.

Facebook Live & YouTube

If you have trouble getting to a local church near you, you may join us live for our church's services via our Facebook page--Sunday mornings around 11:30 AM, and Wednesday evenings at 7:15 PM (Eastern Time)!

You may also watch higher-quality video archives of the services on our YouTube Channel!  Subscribing to our channel is free, helps us reach more people with the Gospel, and can optionally notify you of new videos!

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Meet Our Ministers

We're here to serve you in the Name of the Lord Jesus!

Pastor Joe is an anointed minister of the gospel with nearly 45 years of experience as: pastor, Bible teacher, evangelist, missionary, author, educator and media minister. He has a deep love for the Greek New Testament, and references it regularly during his preaching and teaching.

He holds a B.A. (Point Park University), M.Div. (Asbury Theological Seminary), D.D. (Kingsway Christian College & Theological Seminary), and Th.D., Litt.D., Ph.D. (International Seminary).

Dr. Kostelnik is the pastor of White Oak Chapel, and is the founder and president of the Prophetic Voice Institute (and author of all three of its Diploma courses).

An author of over 20 books, and preacher of thousands of sermons, he has also completed nearly 50 short-term mission trips to 15 nations with "signs following."

J. Solomon Kostelnik has a Bachelor of Arts Degree in Theology from International Seminary, and has completed the Beginners and Intermediate levels of Introduction to Biblical Hebrew (Hebrew Union College). Solomon is also a graduate of the Prophetic Voice Institute and is the only child of Joseph and Barbara Kostelnik.

Solomon is ordained by GTM and serves there and at WOC by: maintaining the websites and social media, replying to correspondence, both via email and postal mail, teaching children's Sunday school monthly, setting up video broadcasts, and occasionally teaching the Word during a service. He also has his own website to lead others to a greater knowledge of Yahweh.

An ordained minister, Barbara holds a B.A. (Carlow University) and a Th.M. (International Seminary), and is the wife of Pastor Joe.

She is the author of Feminine & Free and The New Age & The Old Lie.

She has traveled extensively and served as soloist, Bible teacher, ministry assistant, and counselor for over 40 years, and occasionally teaches here at WOC