CCCTO Spiritual Retreat
Knowing Christ

July 11 - July 13, 2025

Friday - Sunday

Pepperdine University

24255 E Pacific Coast Hwy, Malibu, CA 90263


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What does it mean to know Jesus? Who is He, and how can we know Him? Join us as we consider these questions at our 2025 Summer Retreat. This year, we are excited to welcome Pastor Sam Shin and Lucas Vieira as our speakers. Please scroll down to view their bio.


Adult Speaker: Pastor Sam Shin

Youth Speaker: Pastor Lucas Vieira





Pastor Sam Shin

Adult Ministry Speaker

Sam serves as the pastor of Wellspring Church in San Ramon, CA. He received his M. Div. from Gordon-Conwell Theological Seminary.


He and his wife Shua moved to the Bay Area in 1999, where they planted Wellspring. They also homeschooled their four now adult children: Charisa, Sarah, Elisabeth, and Jack.


Sam’s wife Shua also graduated from Gordon-Conwell and has ministered to different women speaking at retreats and churches.


Together they love hiking, hosting, and helping others grow in the Gospel of Christ.



Lucas Vieira

Youth Ministry Speaker

Lucas Vieira is deeply passionate about helping students behold the beauty & goodness of Jesus Christ. He serves as the Head of Upper School at Beacon Hill Classical Academy in Camarillo. There, he provides leadership for all aspects of the 6th-12th grade program and teaches several classes. Lucas has served in Christian education as an Assistant Principal, Dean, Athletic Director, and School Chaplain and has taught 7th-12th grades. In addition to his role at BHCA, Lucas is the Director of Music Ministry & Administration at Christ Church in Carpinteria, a church he helped plant in 2021. Lucas holds a Graduate Certificate in Classical Christian Studies from New Saint Andrews College, an MLS in Ministry Management from Trinity Law School, and his BA in Philosophy and Religious Studies from Westmont College. He lives in Ventura with his lovely wife, Madelyn, and their two young children, Evangeline and Moses. He enjoys laughing with his wife and kids in his free time!