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Serving Students at Stanford University

Garrett Brown

Christian Union Ministry Director

garrett-brownGarrett is a native of the San Francisco Bay Area, where he explored faith from a young age. After studying communications at Biola University, he earned a Master of Divinity from Talbot School of Theology, and, eventually, a Doctorate of Ministry in Theology and Culture from Fuller Theological Seminary in Pasadena. Garrett has over twenty years of vocational ministry experience, having served as a church planter and pastor in Silicon Valley for most of that time. He also serves on the board for a local homeless and recovery ministry.

Garrett and his wife, Susan, met while studying abroad in Europe. Together they have three children and live in Redwood City. Garrett enjoys playing guitar, hikes with his dog, and supporting Cardinal Football! Garrett is passionate about helping students from all backgrounds engage deeply with Scripture.


Jim Black

Christian Union Director of Athletic Ministry

Jim BlackJim Black grew up in a small farming community in rural Indiana. He earned a Bachelor’s degree in Communications and Biblical Studies from Wheaton College, Illinois, then served as a youth pastor, chaplain, and high school basketball coach at a church and school in Houston, Texas. Following that, he worked in residence life at Wheaton College and earned a Master’s degree there in Evangelism and Biblical Theology. 

Jim completed an MDiv at Reformed Theological Seminary in Orlando, Florida, and then served as the Senior Pastor at Alliance Bible Church in Baytown, Texas, for nine years. In 2011, Jim and his family moved to New York City where he was the founding Ministry Director of the Christian Union ministry at Columbia University.  Most recently, Jim, his wife Laurie, and their four children moved to Palo Alto, California where Jim will focus his ministry on the discipleship of student athletes. The Black family lives close to the Stanford campus and can often be found at various sporting events.


Abigail Carreon

Christian Union Ministry Fellow

Abigail2020Abigail grew up in the Pacific Northwest. She graduated with a BA in English, Psychology, and Political Science from Purdue University, with visiting studies at Oxford University. She earned an MA in Apologetics and MA in Counseling from Luther Rice University and Seminary, specializing in the Problem of Evil and Suffering. She is currently earning a Master’s of Dispute Resolution from the Straus Institute in Pepperdine University’s School of Law.  

Her past decade of field experience ranges from humanitarian project management, social work, crisis counseling, and human rights research, to itinerant speaking, academy moderation, and organizational liaisonship. Abigail developed and co-facilitated a comparative worldviews course called Faith and Reasons at UC Berkeley. 

Formerly the West Coast Regional Director for The Veritas Forum, Abigail continues to serve as a Veritas Host, building teams and supporting forums and special projects at Stanford and UC Berkeley. Additionally, she designs and leads workshops addressing philosophies of human flourishing and mental health at Stanford alongside her wonderful husband, David Carreon.


Justin Woyak

Christian Union Ministry Fellow

Justin.W2018Justin grew up in Pensacola, Florida, where he came to know Christ at age eleven. In 2009, he graduated from Princeton magna cum laude with a degree in Classics. While at Princeton he served as Christian Union's student president and then as a ministry intern for a year. In 2014, he earned a masters of divinity from Bethlehem College & Seminary in Minneapolis, where he also taught college students as an instructor in Bible and theology until 2016.

Before serving as a Christian Union ministry fellow, Justin was the digital content editor for Christian Union Day and Night. He is blessed with a wonderful wife, Kate, and their two young daughters, Keira and Joy. Justin enjoys tennis and golf, J.R.R. Tolkien and C.S. Lewis, Settlers of Catan, good food and root beer, time with friends and family—and seeking God!