Higher Calling Conference




Harold is the lead and founding pastor of Christ Central of Southern California in Fullerton and Cerritos, and serves as President of SOLA and on the board for Christ Central Network. 

He graduated from UC Berkeley, received his Master of Divinity (M.Div.) from Gordon-Conwell Theological Seminary and his Master of Theology (Th.M.) from Princeton Theological Seminary. 

Harold is gratefully married to Sun Hi and a happy father of two daughters, Taylor and Elizabeth. 

His great joy is to see lives changed as Jesus Christ becomes central to everything.


A passionate preacher of the gospel of Christ, Pastor Stephen is the founding and lead pastor of Revival Church, a Holy Spirit-filled, Bible-based church plant in Orange County, CA. He received the call to full-time ministry back in 1991 and he has been preaching the Good News of Jesus ever since. In fact, his ministry mission is “Saving the lost, awakening the saved, and healing the hurting.” He desires to see revival locally and globally through both the power of the Word and the Holy Spirit. As well as pastoring this vibrant, growing young church, Pastor Stephen has been blessed to also travel and minister the gospel as a revivalist and evangelist. He received a Bachelor of Science at the University of Maryland College Park and a Masters of Divinity at Gordon-Conwell Theological Seminary. He is blessed to be married to his beloved wife, Ann, and they have 2 wonderful, young adult children and also their cute Maltipoo dog.


David Oh is currently serving as National Executive Director at SOON Movement Global. He did his M.Div at Fuller Theological Seminary and Th.M at ITS. He is the first graduate class of GCTC in America. He used to teach at California Graduate School of Theology and he’s been working at Crossbridge Fellowship as a lead pastor helping the next generation to build their own church. He has five children, Caris, Kayla, David, Jeremiah, and Timothy with his beautiful wife Esther. His special passion is for Diaspora Asian Americans; whom he believes to be one of the greatest potential people ever lived to impact the world with the gospel of Jesus Christ.


Dr. Christopher Yuan graduated from Moody Bible Institute in 2005 and received a master’s in biblical exegesis in 2007 and a doctorate of ministry in 2014. Christopher taught the Bible at Moody Bible Institute for twelve years and his speaking ministry on faith and sexuality has reached five continents. He speaks at conferences, on college campuses, and in churches.

Dr. Yuan has co-authored with his mother their memoir, Out of a Far Country: A Gay Son’s Journey to God, A Broken Mother’s Search for Hope, which has sold over 100,000 copies and is now in eight languages. Dr. Yuan’s newest book, Holy Sexuality and the Gospel: Sex, Desire, and Relationships Shaped by God’s Grand Story, was named 2020 Book of the Year for Social Issues by Outreach Magazine.


Jay has been serving as a campus minister with SOON Movement Global (KCCC) since 2011. He has served on various campuses across Southern California, Illinois, and Kobe, Japan. He is currently taking a sabbatical from ministry and studying Pastoral Care and Counseling (M.Div.) at Talbot Seminary. He has been married to his wife Sukyung for over 8 years and they are blessed with 2 boys (Nathan and Noah). 

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