Church Staff

Mike Poff – Senior Pastor

A native of Roanoke, Virginia, Mike graduated from Virginia Tech in 1980 with a Civil Engineering degree.  After working eight years as an engineer in Charlotte, North Carolina,  Mike felt led to help others get connected to God and to grow spiritually.  As a result, he moved to Fort Worth, Texas for theological and leadership training. Over a twelve year period, he led various ministries for Hope Church in Fort Worth as an associate pastor. After being out of Virginia for nearly 25 years, Mike returned in September 2005 in the role of Cornerstone’s Senior Pastor to serve the Warrenton community.  Mike and his wife Anna enjoy running, traveling and learning how to cook.


Nat Kurzer - Minister of Students & Worship

Nat, born and raised in Michigan, joined Cornerstone and moved to Warrenton from Sikeston, Mo in June of 2018 where he served as the Worship Pastor of Anchor Church for 4 years. Nat is a 2013 graduate of Central Christian College of the Bible in Moberly, MO with a Bachelor of Science in Youth & Family Ministry, as well as a Ministry Certificate in Worship Leading. He is wife Tabitha is also a graduate of Central, and has received two Masters from Liberty University, and works as a Crisis Therapist. Nat and Tabitha have two sons, Jeremy and James. Nat has a heart to see the local Churches working together as one body and continually growing for the Glory of God. Nat loves to spend time with friends, playing card and board games, and is always excited to learn something new.

Sara Amos - Program Director, Caregiver Ministry

Originally from Fairfax, VA, Sara moved to Warrenton after six years of learning and serving in Blacksburg. Sara has worked as a program director for a grant program of Adult Day Services at Virginia Tech and has served as an intern to senior adults at Blacksburg Baptist Church. Having earned her master's degree in Recreation Therapy and status as a Certified Therapeutic Recreation Specialist in 2019, Sara is now serving as Program Director for the Cornerstone Caregiver Ministry. Sara has always been passionate about serving the senior adult population and also enjoys writing, spending quality time with family and friends, and eating a good breakfast.

Andrea Jaffrey – Ministries Assistant

Andrea Jaffrey is Cornerstone’s Ministries Assistant and has been employed at Cornerstone since April 2000.  Andrea was born and raised in Fairfax, VA and has a Bachelor’s of Fine Arts degree in Visual Communications from Truman State University in Kirksville, Missouri.  She and her husband have been married since 1997 and live in the Town of Warrenton.



Steve Rakoff

Steve grew up in a non-Christian home and heard the Gospel for the first time as a freshman in college. After committing his life to Christ, he was discipled by the Baptist college ministry for four years. Steve moved to Texas to go to seminary to follow a calling to work with the spiritual lives of college students. He worked with students for 23 years as a college counselor and administrator. While in Texas, Steve served in his church for 28 years in the following areas: trailer team, accounting team, leading men’s groups for 10 years, co-leading 5th and 6th grade ministry, working with the youth program, and helping develop an incorporation ministry.
Steve moved to Virginia and joined Cornerstone in 2014. Since then, he co-led the student ministry, has been a part of the Northstar program for the last year and a half, and recently serves as a greeter and usher. He continues to work with college students at NOVA as faculty sponsor of the Christian group on campus. Steve’s primary spiritual gifts are encouragement, wisdom, discernment, and hospitality. His passion is to develop people; his greatest area of growth is trusting God enough to not “play it safe” when challenging opportunities come. His favorite verse is I Corinthians 15:58 “ Therefore my dear brothers, stand firm. Let nothing move you. Always give yourselves fully to the work of the Lord because you know that your labor in the Lord is not in vain.”

Justin Leatherwood

Justin grew up in a strong Christian household.  While in middle school, he accepted Christ and was baptized in his Grandparents’ church in Illinois.  As he grew in his Christian walk, Justin found a lot of value serving in church and being part of a group, which at the time was his youth group. In college at Virginia Tech Justin found Kelly, a girl he had met years before in high school.  They were married 3 ½ years later.  As he became older and busy with work, they joined a church, but he was challenged to connect given his work schedule.  As their family grew and Justin’s work schedule got even more chaotic, they found Cornerstone.  Justin made a commitment to begin to find a way to plug in regardless of his schedule.  First, he connected with a men’s group and began to grow. Several years later, an opportunity came up to enter Cornerstone’s two year leadership program.  Justin made a commitment to complete the course, doing as much as he could to put it as a high priority and make it work with his schedule.  Northstar was a major moment in his growth with God, church, and values.  As a result, he shifted his priorities and found a lot of tools to relate to others. Since that time, Justin has found a lot of joy working with the Men of Cornerstone.  He loves getting the guys together and encouraging one another through events and retreats.  As an elder, Justin realizes that it increases responsibility and need for flexibility, but is encouraged by Cornerstone members and church leadership to continue to grow and serve God by taking on this role.

Ministry Leaders

Anna Poff – Women’s Ministry

Born and raised in Texas, Anna is the middle of three sisters and found her way to Warrenton by way of marriage to Mike in January 2009. Upon arriving in Warrenton, Anna finished her B.A. in Humanities in May 2009 and graduated from the College at Southwestern in Fort Worth, Texas. Anna serves as Cornerstone’s Women’s Ministry leader along with leading a small group. She loves meeting new people and especially desires to see women walk in the freedom that Christ gives. Anna has run several marathons, 10k’s and 5k’s and is a huge fan of Mexican food.