Deacon Team


James Aman

James was born in 1961, in a suburb of Philadelphia. When James was a teenager he became involved in a group called FOCUS that ministered to kids in private schools, and for several years he investigated the claims of Christianity. At the age of 18, he was convicted by the Holy Spirit of specific sins, and asked Christ to forgive him and save him. James went to college in St. Louis, MO and got a degree in Meteorology. While in college, he met his future wife, Nancy, while on a FOCUS ski trip. James and Nancy got married in 1990. In 1995, he felt led to move back to the East Coast to be closer to their parents. They moved to Gaithersburg and started attending Derwood with his growing family. James and Nancy have three children: Josh, Tim, and Beth. James serves in the Helping Hands ministry and is a Hall Monitor for AWANA. James and Nancy help lead the Career Singles Care Group, and together they serve in the Two Year Old Nursery class. Nancy is one of the leaders of the Care and Comfort Ministry.



David Brown

David Brown accepted Christ and was baptized at an early age. Blessed to grow up in a Christian family, he had constant exposure to the Bible. He received a Bachelor's degree in Accounting in 2006, and a Masters degree in Business Administration in 2008 from Pensacola Christian College. He is the owner of a small accounting and tax consulting business and uses his gifts on the Financial Advisor Board at DBC. In the past, David has also service in various children's ministry programs. It was at college that he met his wife Abigail. David and Abigail are blessed to have three young children: Caleb, Jeni, and Sophia. Abigail currently serves as the Nursery Coordinator at DBC and also serves in MOPS.



Brian Green

Brian was raised in Hampton, Iowa with his parents and sister. Brian prayed to accept Jesus as his savior with his parents at the age of five after a service at his home Church. He attended the University of Northern Iowa and received a bachelor’s degree in accounting. Brian relocated to the D.C. area in 1988 and began attending Montrose Baptist Church where he met his wife Kim. Brian and Kim were married in 1992 and welcomed their daughter Abby into the world in 1997. The Greens have been attending Derwood Bible Church since 2002. Brian has been helping the Church with financial and administrative matters since becoming a Deacon.  Kim has been teaching in the 3 year-old Sunday School class for much of their time at Derwood as well as has been a Cubbies leader. Brian works for Consumer Healthcare Products Association in Washington, D.C.

Tom Kummer

Tom was born and raised in western PA. He graduated from Penn Sate in 1978. In 1979 he married his high school sweet heart, Diane, and they are still going strong 38 years later. They have 2 grown children and 4 grandchildren living in the area. Tom is currently honored to serve on the Board of Directors for Rockville Pregnancy Clinic and Ivymount School.

Tom trusted the Lord as his Savior when he heard a clear gospel message at Reston Bible Church, where he and Diane were baptized.  They moved to Gaithersburg in 1984. The Kummers currently serve in the marriage ministry at DBC.  


Alan Langelli

Alan had the privilege of being a pastor’s kid and grew up in New York and Pennsylvania. He accepted Christ as his savior as a young child.  Alan met his wife, Stacey, in middle school, and they later married while in college.  Alan and Stacey have three children ~ Joshua, Paige and Drew ~ and are in the process of adopting their fourth child. Alan and Stacey lived in both Northern Virginia and Western PA before moving their family to Maryland in 2012 where they began attending DBC. Alan enjoys serving as a hall monitor for KidZone, a small group leader and helping with the church finances.


Cristi Muresan

Cristi was born in Romania and raised in a Christian home.  In 1996 he spent a year in a discipleship training school with Youth With a Mission in Budapest, Hungary. Part of the training included outreach in Kazakhstan, Uzbekistan and Kyrgyzstan. In 1997, after completing his missions preparations, he travelled a remote town in eastern Romania to lead worship and help with the youth at a church that had been planted by foreign missionaries. It was in this town that he met his wife, Faith, who had been serving there for several years. After their marriage in 1998, Cristi and Faith returned to his hometown where they worked with several private orphanages and a school for disabled children. They moved to the US in September of 2001. Cristi has served with the DBC worship team since 2006. He and Faith have 4 children; Eddie, Mika, Grace and Alex.


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Ken Sauerwein

Ken was born in Washington, DC, and has been a resident of Montgomery County all of his life.  He now lives in Gaithersburg with his wife Sandy.  They are the parents of two daughters, Amy and Robin, and have four grandchildren-Elijah, Mackenzie, Addison, and Isaiah Purdy. An electrician by trade, he now works for the Metropolitan Washington Airports Authority at Reagan National Airport where he is the leader of the electronic shop. Ken grew up in a large Baptist church and was saved there his junior year in high school. The Sauerweins joined DBC in the fall of 1999. Ken is a member of the tech team and enjoys serving behind the scenes doing electrical work and other projects at church. Sandy is actively involved with the homeschooling ministries, Chieftain Christian Academy and Chieftain Institute.


Vinnie Tallman

Vinnie grew up in Hornell, NY with his parents and brother, former DBC member, John. He became a Christian at the age of 13 when he answered an altar call at North Hornell Assembly of God Church. Vinnie attended Hartwick College and then received his Masters at the University of Pittsburgh where he met his wife, Debbie. The couple moved to Maryland in 1992. They have been attending DBC for since July 2001. Currently, Vinnie is President of PASS - a PAC management consultant firm in Reston, Virginia. Vinnie and Debbie have three daughters, Maggie, Emmie, and Addie.  Vinnie serves as a Sunday Coordinator monitor on Sunday mornings and leads the set-up/tear-down of chairs for Sunday services. Debbie teaches 3's and 4's Sunday School, is part of the Care & Comfort ministry and teaches history at Chieftain Institute.  



Sam Vasa

Sam has spent much of his life in the Washington DC area and lives in Olney.  He has been working in the television broadcasting industry for over 25 years, currently as the Deputy Director of Engineering. He's been married to Latha since 1988; they are blessed with two sons Seth and Shem. For the last 10 or so years the Lord has bestowed His talents upon Sam thus enabling him to share the Word of God with a powerful anointing wherever the doors are opened. Sam also has served as Deacon (and Deacon Chair), church council member, and school board vice chair in his previous church. He loves to both attend and teach in our ACE classes.



James Waldron

James was born in Padget, Bermuda. During his childhood he lived in several places, but moved to Maryland with his mother during his senior year of high school. James came to know the Lord his freshman year in college and, after graduating, moved back home to Gaithersburg, but meandered in his life with Christ. In March 2001, he rededicated his life to the Lord and started attending DBC the following month. At DBC, James came to find out how to live a life sold out for Christ and plugged into several ministries, including Sunday School and the Moving Ministry. He recently married his wife, Cay, and lives in Montgomery Village.