Staff and Leadership


Joel st. Clair, pastor

Joel is a native of Silver Spring and has spent most of his life in the metro DC area. He returned in 2009 with his family to work as an assistant pastor at Emmanuel Presbyterian Church (Arlington). In Summer 2011, they moved to Silver Spring to begin building Mosaic Community Church. Additionally, he has worked the last 10 years as a registered nurse.

He met his wife Stephanie while they were students at TCU. They have been married for 12 years and have four kids: Hannah, Andrew, Lucy, and Iris.

Together they enjoy running, most AMC original series, and searching for the best local Mediterranean food.


dan sung, Church planting fellow

Dan spent most of his life just south of Baltimore, MD. Growing up in a Korean immigrant church, he served as a youth director for their senior high school students before transitioning into Mosaic in 2016. Now he is learning about ministry in the diverse context of Lower Montgomery County, and is working to start a church in the DC Metro area. He met his wife Michelle during undergrad and UMD, and together they have one son named Asaph. Together they love watching movies, recording short videos, exploring local coffee shops, and playing with their two cats.


Jeremy tseng, childrens ministry coordinator

Jeremy grew up in Montgomery County and has spent his entire life in the metro DC area.  He has been attending Mosaic since 2014 and joined the staff in 2017. He is committed to helping support families as they follow the call to love God, love their neighbor, and raise their children in the gospel.  He is excited to pursue cross-cultural ministry in the diverse growing community in Silver Spring.

Jeremy enjoys being outdoors, traveling, exploring new cities, and playing team sports – especially basketball and ultimate frisbee.