About this Ministry

PVI is an outreach of Gospel Truth Ministries (GTM), a ministry based in Cincinnati, Ohio, with a worldwide vision and impact. See our ministry's guiding faith, goals, and the ministers serving them.

The Faith

Gospel Truth Ministries and its ministry school, The Prophetic Voice Institute, have always used the Apostles' Creed to define their fundamental faith in God:

  1. I believe in God the Father, Almighty, Maker of heaven and earth:
  2. And in Jesus Christ, his only begotten Son, our Lord:
  3. Who was conceived by the Holy Spirit, born of the Virgin Mary:
  4. Suffered under Pontius Pilate; was crucified, dead and buried:
  5. He descended into hell:
  6. The third day he rose again from the dead:
  7. He ascended into heaven, and sits at the right hand of God the Father Almighty:
  8. From thence he shall come to judge the quick and the dead:
  9. I believe in the Holy Spirit:
  10. I believe in the holy catholic (universal) church:
  11. The communion of saints:
  12. The forgiveness of sins:
  13. The resurrection of the body:
  14. And the life everlasting. Amen.

The Purpose

"The things which you have heard from me among many witnesses, commit the same to faithful men, who will be able to teach others also"(II Timothy 2:2).

It remains to be seen what a trained, motivated, and anointed group of disciples can accomplish for the Kingdom of God!

The Prophetic Voice Institute makes supernatural equipment, in the form of sound, scriptural knowledge, available to every believer--which they can then use to make an impact upon the world.

  1. For the layperson, a firm foundation taking him/her "from decision to discipleship."
  2. For the deacon (helps ministry), a "breakthrough into apostolic power."
  3. For the full-time minister of the Gospel, "the depths of the knowledge of God's Word."

The Possibility

"But the people who know their God shall be strong, and do exploits" (Daniel 11:32).

The outpouring of the Holy Spirit on the Day of Pentecost rocked the world.

Again, in the early 1900s, the Spirit of God was poured out in unprecedented proportion, initiating a worldwide revival.

A generation later, a new wave of apostolic power hit the nations in the "Voice of Healing" revival.

The Lord inspired Dr. Joseph Kostelnik to establish The Prophetic Voice Institute to promote yet another "move of God" in the 1990's and beyond.

The Courses

There are three courses which may be taken, and three respective, optional diplomas which may be received:

  • Diploma in Discipleship
  • Diploma in the Deaconate
  • Diploma in Ministry

Each course must be taken in order, regardless of previous theological education or experience in ministry.

We do not currently offer licensing or ordination of ministers.

If this changes, this site will be updated accordingly. Thank you for your interest.

The Staff

Rev. Joseph Kostelnik, Ph.D.

Founder/President, Author

Rev. Kostelnik is an anointed minister of the gospel with over 35 years of experience as: pastor, Bible teacher, evangelist, missionary, author, educator and media minister.

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

Dr. Kostelnik is the founder and president of PVI and is the author of all three Diploma courses.

The author of over 20 books, and preacher of over 2,000 sermons, he has completed 50 short-term mission trips to 15 nations with "signs following." He also pastors a local church in Cincinnati, Ohio, White Oak Chapel.

Rev. Barbara A. Kostelnik, Th.M.

Vice-President, Author, Speaker

An ordained minister, Barbara holds a B.A. (Carlow College) and a Th.M. (International Seminary).

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 30 years. She also occasionally teaches at GTM's local church, White Oak Chapel.

Rev. J. Solomon Kostelnik, Th.G.

Webmaster, Minister, Student Liason

Solomon is the only child of Joseph and Barbara Kostelnik, is a graduate of the Prophetic Voice Institute. He also has an Associate of Arts Degree in Ministerial Studies, and is a Graduate of Theology, from International Seminary. He is currently working toward a Bachelor of Arts Degree in Religious Education from the same school.

Solomon has completed the Beginners and Intermediate levels of Introduction to Biblical Hebrew, taught at Hebrew Union College in Cincinnati, Ohio.

He is ordained by and ministers at White Oak Chapel, while also teaching there and online through email and his personal ministry website, NakarYahu.org.

Solomon serves at PVI by maintaining the websites, replying to all correspondence, both via email and postal mail, and copying and mailing out the printed courses.

Jeffrey Laine Eldred, M.A.

Academic Dean

Jeff Eldred received his secular education, A.A., B.A., M.A. from Morehead State University, and his theological training from International Seminary.

A veteran of over 25 years in journalism & communications, he has wide experience in Christian media.

Jeff serves as dean at PVI, by grading the paper versions of the course exams, which are taken by students in order to receive a diploma.

Not Logged In

In order to access the courses, you must register as a student with us. If you are already a student, click here to login.

Student Testimonials

Our Ministry


Calvary greeting in the name of our Lord Jesus Christ.

First of all, I want to thank the Almighty God for giving me the grace to complete all the three courses under your your noble Institute. I am indeed grateful.

Second, I want to appreciate our Daddy in the Lord, Joseph Kostelnik Ph.D., for this great vision and all the other management staff. This programme have been a tremendous blessing to me and has also given me an added knowledge of great value to my ministry and my community as whole. I have learned a lot from these three courses which are well packaged and greatly encouraging, sir. May God bless you in return for impacting my life and ministry. This is my greatest testimony. Go ahead to publish, sir.

I conclude with this suggestion, that let there be another new programme introduced by your institute, if you will need to called it Advance Diploma, etc.

Thank you and God bless you sir.

Dr. Isaac Bolaji A.
Ikorodu, Lagos State
Nigeria Nigeria

Free YouTube Channel

We're now archiving videos of all of our services in HD 1080p stereo! Join in worship of God with us, be ministered to by the gifts of the Spirit and preaching and study of the Word, and share in the Lord's Supper! Subscribe for free to our White Oak Chapel channel and keep up to date with notifications of whenever a new video is uploaded!

Connect on Facebook

Watch our church's services live on Facebook by liking our White Oak Chapel page! If you have trouble attending a local church, or simply want additional input from a Spirit-filled ministry, take advantage of technology and receive from the Lord through this outreach!

Free Online Books

Please visit our Publication outreach, offering as free PDF downloads over 20 books filled with Spirit-filled, Christ-centered teaching from the scriptures to equip and empower you in all ways for the Lord.

Free Online MP3 Sermons

Our Publication outreach also offers 3700 online MP3 audio sermons filled with the same biblical teaching and revelation from the Holy Spirit in these courses and books, as free downloads, also available for order as CD.

Weekly Radio Broadcast

If you're in the greater Cincinnati, Ohio, area, you may listen to our "Living by Faith" broadcast on WCVG 1320 AM radio every Friday at 12:00PM Eastern Time! Even if you're not local, you may also stream it from WCVG's website!

Your Miracle!

Do you need prayer? Healing? A miracle? God cares about your needs!

Need a Local Church?

Dr. Kostelnik pastors a Spirit-filled assembly in Cincinnati, Ohio, USA. See more about White Oak Chapel!

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