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About Us

Who We Are

Berean Mission Church derives its name from Acts 17:11, which describes believers who lived in the ancient city of Berea as those who “received the word with all eagerness, examining the Scriptures daily to see if these things were so." In keeping with the spirit of these original Bereans, it is our desire at BMC to equip believers with biblical truth in order that we might more effectively share the good news of Jesus Christ, beginning with our neighbors here in the Bay Area.

"The Bereans received the word with all eagerness, examining the Scriptures daily to see if these things were so."

 ACTS 17:11


Our Vision




Engaging in God-centered worship, not man-centered.




Equipping every believer with God's inerrant word.




Building a community through love and accountability.




Reaching out to its community locally and globally with the Gospel of Jesus Christ.


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Aaron Choi | Staff Elder

Growing up in Orange County, Aaron attended church and came to know Christ during his teenage years. After finding his faith and love for Christ considerably deepened as a college student, he sensed a calling to pastoral ministry. Aaron completed his undergraduate studies from the University of California, San Diego (’03) and received his theological training at Talbot School of Theology (’07). He is an ordained minister of the Southern Baptist Convention. Aaron is married to his wife, Tina, and are the proud parents of 4 children. Together with his family, Aaron moved to Northern California in 2011 to help plant BMC. In addition to reading, he enjoys watching (not playing) sports.

Alton To | Staff Elder

Born and raised in Sacramento, Alton is now a proud resident of the city of San Francisco. By the Lord’s grace working through believing friends, he became a Christian during his teenage years. A graduate of the University of California, San Diego (’04), Alton began pursuing vocational ministry at the Master’s Seminary in Sun Valley, where he received an M. Div. (’08). Upon graduation, God called him to the Bay Area, where he’s been faithfully serving ever since. Alton began shepherding the flock at BMC in 2016. He is married to his wife, Charissa, and they have 2 sons. In his free time, Alton enjoys running, reading, and loyally following his favorite sports teams, in both victory (SF Giants), as well as defeat (Sacramento Kings).

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Derrick Tseng | Elder

A San Jose native, Derrick grew up in a non-Christian home until he was introduced to Christianity at UC Irvine during his college years.  A brother reached out to him at the campus ministry and he started attending a local church in Irvine where he was saved.  Derrick is currently a software engineer at Uber as well as a devoted Lakers fan as his love for basketball grew while he was in SoCal.  In his free time, he likes to play computer games and Settlers of Catan.  Together with his wife, Hannah, they moved up to the Bay Area in 2012 to become a part of the church-planting team for BMC.  He currently resides in the Eastbay with his wife and 3 kids.

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Samantha Wong | Church Admin

Growing up in the Bay Area, Samantha was exposed to the Gospel at a young age, but truly made her faith her own during her time at the University of California, Davis. She met her husband, Rick, at BMC and they have 2 kids that keep them on their toes. In her free time, she enjoys singing like no one is watching, catching up with friends over a meal, and hand-lettering.

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BMC Leadership Pastor Alton.jpg

Joshua Lee | Pastoral Assistant

Originally from Sacramento, Joshua grew up in the church and heard the Gospel at a young age. The Lord sustained his faith and his appreciation for Christ's sacrifice grew and he began to sense a calling to ministry in college. Upon graduating from the University of California, Irvine ('12), Joshua moved to Northern California to help plant Berean Mission Church. After several years working full-time at an ecommerce company and taking classes on the side, he is received his MDiv from Southern Baptist Theological Seminary ('21). Joshua and his wife, Vanessa, reside in the East Bay and have three children. In his spare time, he enjoys playing Legos with his kids and riding bikes.

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Steve Kang | Elder

Growing up in the Bay Area, Steve was exposed to the Gospel on and off as a young child. He accepted Christ his senior year of high school, with his faith significantly molded during his college and post-college years. Steve graduated from the University of California, Berkeley with a degree in Mechanical Engineering, and currently runs an engineering firm that consults on energy sustainability. Upon moving down to Orange County for several years, Steve and his family moved back up to the Bay Area to help plant BMC. Steve and his wife Joan have 2 sons. He enjoys music, cars, good food, and discreetly celebrating Warriors, Giants, and 49er championships.

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