ABOUT US

Lead Pastor

Pastor Paul was born and raised in the US for 10 years until his family moved to Seoul, Korea in 1982. Prior to moving to Northern VA in 2009, he served as an assistant pastor for 8 years at Jubilee Presbyterian Church in PA (2000-2008). He was ordained in 2004 in the Korean-American Presbyterian Church (KAPC), but is now a member of the Presbyterian Church in America (PCA). Pastor Paul and Joyce married in January of 2004 and are the grateful parents of 5 children - Selah Kaitlyn, Caleb Vos, Sophia Agnes, Charissa Joy, and Joshua Paul. Pastor Paul earned his degrees from Westminster Theological Seminary (M.Div) and Princeton Theological Seminary (Th.M in Christian Education).

Community & Discipleship Pastor

Pastor Jacob (affectionately known by his church as "PJ") was born in Korea, but grew up in Fairfax, VA under a mindset of legalism and self-righteousness; absent from grace. It was the Gospel message of Jesus Christ, in his death and resurrection, coupled with a believing community that helped him to not only understand, but experience God's amazing grace. He hopes that, by God's grace, he can proclaim Jesus and help people to know and trust in God's steadfast love and faithfulness. Pastor Jacob was ordained in 2015 in the Presbyterian Church in America (PCA). He and his wife, Daphne, are grateful parents of Nolan and Alethea. He enjoys playing the guitar, tennis, ultimate frisbee, and Connect Four.

Executive Pastor

Pastor Siyoung was born in Korea and raised in Chicago before coming to Virginia in his high school years. He was exposed to and transformed by the gospel during his time at James Madison University (JMU), from where he graduated with the conviction of a call to pastoral ministry. He is happily married to Rebecca and is a proud father to their daughter, Danielle, and their son, Caleb. He earned his Master of Arts in Biblical Studies degree at Reformed Theological Seminary (RTS) and is currently serving as the Executive Pastor at Cornerstone. Pastor Siyoung desires to see others be transformed by the same gospel that forever changed his life.

Church Planting Apprentice

Pastor Andrew was born and raised in the DMV area. He was born in Greenbelt, MD, but has spent most of his life in Virginia and now lives in Fairfax. He first attended college at William and Mary, but later transferred to Virginia Commonwealth University (VCU) where he was renewed and transformed by the Gospel. He served as the campus staff for the college fellowship at VCU — One in Christ Fellowship (OICF) — and later returned to the Northern Virginia area to attend and serve KPCW. He is currently working to plant a church in Bishop, CA, to reach the Bishop Paiute tribe. He enjoys hanging out with his friends and teaching golf.

Pastoral Intern

Hwihu was born in South Korea but raised in China, where he and his family moved when he was two. In his teenage years, Hwihu moved to the U.S. where he attended Fairfax High School and later graduated from George Mason University (GMU). He is currently an undercare member at Cornerstone and pursuing his M. Div at Reformed Theological Seminary (RTS). Hwihu serves on the praise team for Cornerstone and oversees the praise team for the Youth Ministry, where he teaches students how to play various instruments and ultimately helps cultivate young hearts for worship. Hwihu loves to play guitar and enjoys cooking.

Pastoral Intern, Youth Ministry

Jae was born in Seoul, South Korea, but spent five years in China before moving to the U.S. in 2009. He attended Robinson Secondary School and later graduated from George Mason University (GMU). Jae is currently pursuing his M.Div. at Reformed Theological Seminary (RTS) and serves as the Youth Ministry Director at Cornerstone. Outside of ministry, Jae enjoys traveling, taking photos/videos, and hanging out with his friends.

Pastoral Intern, College Ministry

Tony was born in South Korea and moved to Virginia, then to Champaign, Illinois, when he was a high school freshman. He earned his Bachelor's degree in Marketing at the University of Illinois Urbana-Champaign. He is currently pursuing his M.Div at Reformed Theological Seminary. In his free time, he enjoys playing basketball and creating rap music that points people to Christ.

Pastoral Intern, College Ministry

Christian came to Virginia in 2020 after living in Texas since 2013. He attended Northern Virginia Community College, where he first truly received the gospel while attending Immanuel Christian Fellowship (ICF) at George Mason University. He earned his Bachelor's degree in Bible and Theology at Liberty University and joined the staff of ICF. He is currently pursuing a degree at Reformed Theological Seminary. He enjoys watching movies, making music, praising the Lord, and eating Taco Bell.

Digital Arts Director

Davina was born in Vallejo, CA and moved to Virginia early in her childhood. She later attended Virginia Commonwealth University where she earned her degree in International Studies. During her teenage and even adult years, she traveled the U.S. and beyond for missions and work opportunities. With great passion and gift of storytelling, Davina later started her own business as a videographer, photographer, and editor, and now serves as the Digital Arts Director for Cornerstone. She is happily married to Sangsub, and together they continue to pursue excellence in all areas of their lives.

Children’s Ministry Director

Hanna was born and raised in Seoul, South Korea until her family moved to Toronto, Canada in her late elementary year. She graduated from California State University, Fullerton and moved to Virginia when she married Kyung Chul (KC) in 2009. God has blessed KC and Hanna with two children, Lemuel & Eunice. Her prayer is that, together with parents, our church will raise up the next generation to love the Lord and His Word and faithfully teach our children simple biblical truths.

Pre-K & Kindergarten Ministry Director

Kathleen Ara Ahn was born in New York, raised in Paraguay, and eventually moved to the Northern Virginia area in High School. She attended James Madison University (JMU) and received a Bachelors in Hospitality & Tourism Management. She was blessed to meet and marry her husband, Phillip, at Cornerstone. Together they have two children — Isaiah and Addison. As Cornerstone’s Pre-K & Kindergarten Ministry Director, Kathleen’s prayer for the children is that they will come to know and love their heavenly Father.

Toddler Ministry Director​

Julianne was born and raised in Northern Virginia and attended KPCW since childhood. She attended the University of Virginia for both her undergraduate and graduate studies. Shortly after, she married her husband, Sunik, and they now have three beautiful daughters together. Julianne has worked for Fairfax County Public Schools as a teacher for many years, but is now happy to be at home homeschooling her children. It is her prayer that through the Toddler Ministry the youngest children of our church will begin to grasp big, beautiful, and life-giving truths about our Lord and Savior.

Glgoun Korean School Director

Diana was born in Brazil, but spent her first two years in Paraguay before immigrating to Southern California. She graduated with honors from the University of California, San Diego, earning a degree in Visual Arts. She moved to Northern Virginia shortly after and has been a part of Cornerstone ever since. Though she wears many hats, Diana's most cherished roles are being a wife to Danny and a mother to Daren and Dalia. Starting in 2023, she has served as the Director of Washington Glgoun Korean School, where she hopes to equip the next generation with the knowledge of the Korean language and culture so that it may open opportunities to share the gospel and make Christ known.