Mark Brunke

Lead Pastor

Mark Brunke has been in youth ministry since 2005.  He received his Masters from Moody Theological Seminary. Mark loves talking theology, apologetics, fantasy, and sci-fi. Mark's wife, Christy, is a wonderful mom and a published author.  Their two daughters, Michaela and Angelina, are a mixture of fairy dust and ninja training. 


Tim Simpson

Pastor of Congregational Care

Tim Simpson was the Senior Pastor at Greenridge from 1992 until July of 2021.  He and his wife Carol have three sons, two daughters-in-law & six grandchildren! He was ordained by FBC Waldorf, and graduated from Carson-Newman & Southeastern Baptist Theological Seminary.  He served as a Trustee with the IMB and as President of the Baptist Convention of Maryland/Delaware. His spiritual gifts are preaching, teaching and leadership. One of the most rewarding parts of his life is leading a Bible study for neighbors.


Paul Davis

Pastor of  Worship & Administration

Paul Davis was raised in Missouri as the son of an SBC pastor. Paul earned two Master’s Degrees from Southeastern Baptist Theological Seminary, and he is currently pursuing a PhD at the Catholic University of America. Paul joined Greenridge's Pastoral staff in October of 2015. Paul really enjoys reading, languages, Star Wars, tacos, talking about the Bible and theology, playing with his 3 kids, driving, and staying warm.


Eric Stishan

Youth Pastor

Eric was born and raised in Howard County, Maryland. He met his wife, Sarah, at Towson University and they got married in July 2013 and they have three daughters, Nora, Charis, and Lorien. He earned his Master’s degree from Shepherds Theological Seminary in 2017 and has been serving in youth ministry since 2013. Eric likes talking theology, technology, fantasy, as well as hiking, playing board games, and explaining why a hot dog is a sandwich.


Robert O'Conor

Facilities Manager

Robert O'Conor joined GBC after a career in Law Enforcement/Security and Business. Bob has been married to his wife, Rebecca since 1987. She and Bob have been members of GBC since 1996. They have three adult sons: Brady, Patrick, and Ryan. Bob is an assistant baseball coach at Montgomery College and for the Bethesda Big Train. His responsibilities include: Property Management, Building Operations, and Safety/Security.


Kari Wilson

Bookkeeper & Administrative Assistant

Kari has a bachelor’s in accounting from American University.  She and her husband Jack have two adult daughters. The family has attended Greenridge since 2004.  After working in accounting for many years, Kari resigned to start a family and homeschool her girls. She has worked for Greenridge since 2018. Kari enjoys the gym, traveling to motorcycle races with Jack and hanging out on the nearest body of water.


Patrick O'Conor

Marketing & Social Media Coordinator

Patrick O’Conor graduated from the University of Maryland with a B.A. in communication. He began attending Greenridge in Kindergarten & is excited to use his passion for layout & design to serve the Church.  He married his wife Kat in March 2019, and his daughter Persephone Grace was born that December. In his spare time, Patrick has a passion for photography, particularly portraits and street photography.  He also has a passion for Star Trek.