2025 Speakers

  • A man in a suit and tie standing next to a woman in a floral dress and cardigan, both smiling outdoors near a wooden fence and greenery.

    Pastor Matt Holst

    Matthew Holst was installed as senior pastor of Shiloh in June 2016. Before that, he served as pastor of Geneva Orthodox Presbyterian Church in Marietta, Georgia from 2010 to 2016 and ministered in Cambridge Presbyterian Church (UK) for one year. A native of Wales, Matt is a 2008 graduate of Greenville Presbyterian Theological Seminary. His wife, Stacy, is a native of Greenville SC and together they have four children.

  • A man in a gray suit and a woman in a red dress standing together in front of a wooden background.

    Pastor Calvin Keller

    Calvin Keller is the son and grandson of pastors and came to the faith as a young man under his father’s preaching on John 3:16. As an adult, the Lord called Calvin to the ministry, and he graduated from Westminster Seminary, California, in 1991. He pastors in Winston-Salem, NC. Calvin and his wife Connie have been married for over thirty years. The Lord has blessed them with four grown children. Besides studying God’s word, Calvin enjoys painting watercolors, lifting weights, and rooting for the Yankees.

  • A family with two adults and seven children posing outdoors on a grassy lawn with trees in the background. The children and adults are smiling, and the setting appears to be a park or natural area.

    Pastor Mike Myers

    After graduating from Greenville Presbyterian Theological Seminary in May 2013, Mike Myers was called to be the organizing pastor of Heritage Presbyterian Church (OPC). He was ordained on December 6, 2013. When the church particularized in September 2017, Heritage called Pastor Myers to stay as the minister. Mike and his wife Katy have eight children.

  • Smiling man wearing glasses and a suit outdoors

    Pastor Sterling Tyler

    Reverend Sterling A. Tyler graduated from Reformed Theological Seminary, Dallas, with a Master’s of Divinity in 2023, and from the University of Rochester, Eastman School of Music, in 2013 with a Bachelor’s of Music in Viola Performance. He is married to Emily and has five children: Amye (9), Matthew (7), Tobias (s.b.), Cora (2), and Eleanor (under 1). Sterling enjoys reading, especially the Puritans, golfing, classical music, and spending time with friends and family. In May 2024, he was called as Pastor of Good Shepherd Reformed Fellowship.

  • A man in a dark suit and blue tie standing next to a woman in a white dress, both smiling, against a plain background.

    Pastor Andy Wann

    Andy met his wife Abby while studying for the ministry at Reformation Bible College in Sanford, FL. He studied at Greenville Presbyterian Theological Seminary in Greenville, SC from 2014-to 2018. In 2019 he was called to be the Assistant Pastor at Grand Island BPC, where he served until moving to Bluffton in 2022. He now serves as the Organizing Pastor of Covenant Orthodox Presbyterian Church (OPC). The Lord has blessed Andy and Abby with five sons and one daughter.

  • Smiling man wearing glasses and a light gray suit in a library with bookshelves in the background.

    Dr Ryan McGraw

    Dr. Ryan McGraw (PhD, University of the Free State) serves as Morton H. Smith Professor of Systematic Theology. He is married to Krista and has three children. He has pastored churches in the PCA and OPC, and serves currently as Teacher at Covenant Community OPC, Taylors SC. He has a passion to popularize devotional Trinitarian theology in numerous books such as 31 Meditations on the Trinity (RHB 2023) and What is Covenant Theology? (Crossway 2024). Editing and contributing to several journals, he and Joel Beeke are co-editors of the Cultivating Biblical Godliness series.

  • Smiling man in a suit and tie standing in front of a bookshelf filled with books.

    Pastor Johnny Serafini

    Rev. Johnny Serafini studied at the Puritan Reformed Theological Seminary in Grand Rapids, Michigan. Prior to that, he served as a pastor in Brazil where he was ordained to the ministry in 1995. After receiving his Masters of Divinity from PRTS, he pastored at the Heritage Reformed Congregation in Kinnelon, New Jersey for 14 years. As of 2023, he received the call as Pastor Evangelist to Landis OPC. He and his wife Berry have eleven children.

  • A couple smiling outdoors with a waterfall in the background.

    Pastor Peter Van Doodewaard

    Peter is a graduate of Greenville Presbyterian Theological Seminary. He currently serves as pastor of Covenant Community OPC in Taylors, SC. Before following the Lord's call to the Christian ministry, he and his family lived in Ontario, Canada where he practiced engineering. It was from this work that the Lord called Peter to the labor of preaching the person, work, kingdom and glory of the Lord Jesus Christ.

“Seeing the crowds, he went up on a mountain and when he sat down his disciples came to him…”