Meet Our Team 

Tom Tanner

Senior Pastor

Tom joined the RiverStone staff in August of 1999 as an Associate Pastor. Tom was named Senior Pastor upon the retirement of founding Pastor Charles Sineath. Tom's responsibilities include preaching and teaching on Sundays, casting vision for the congregation, leading the staff, chairing the Board of Directors and the general oversight of all ministries of the church. Tom also serves as President of The Transformation Network, which is an organization dedicated to church planting. 
Tom and his wife, Melissa, have two children.




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Direct Line: 678.384.5207




Mark Nysewander

Associate Pastor


Mark came to RiverStone in March of 2003 as an Associate Pastor. Mark is one of the teaching pastors for the Sunday worship service. He also has responsibilities for Transformation Network and Pastoral Care. The Transformation Network is an association of churches committed to church planting. Mark also serves on the Board of Wesleyan Fellowship Partners, which is an arm of RiverStone dedicated to sending and serving missionaries. He and his wife, Kathy, have 3 adult children and 6 grandchildren.


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Direct Line: 678.384.5206




Daniel Bashta

Worship Pastor

Daniel Bashta lives to see a generation put their worship into motion. He is giving his life to this one mission. He knows that there is an awakening that is erupting all over the world and that we will be marked as the true revival dreaming generation. Daniel became the Worship Pastor in January 2009. At RiverStone he oversees all things creative, including graphics and video. He is also the founder of Go Motion Worldwide, a non-profit he started to impact the world through music, media, and missions. He believes with all his heart that with the Creator of the universe living inside of us, we should be the most creative people on the planet. It’s time to Roar! Daniel and His Wife, Taylor, have two radical kids and a wild dog.



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Direct Line: 678.384.5204




Terry Cantrell

Associate Pastor

Terry joined the RiverStone staff as an Associate Pastor in April 1999.  His responsibilities include Prayer and Healing Ministries, Pastoral Care and Counseling.  He works to identify and train those who work in our various healing ministries.  These ministries include Sunday Morning Ministry Teams, Nights of Healing Prayer and Sozo, a ministry of inner healing and deliverance.  Terry is very passionate about releasing people into their God given destiny.  Terry works with the other pastors to offer Pastoral Care, Counseling and referral services to those in our congregation and community.  He also serves on RiverStones Board of Directors.  Terry and his wife, Patty, have two children and three grandchildren.



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Direct Line: 678.384.5205



Mason Tanner  

College & Young Adult Pastor 

Mason joined the RiverStone staff as the College and Young Adult Pastor in January of 2014. In 2011 before coming on staff Mason and His wife Hannah started the Dwelling Place College ministry. The Dwelling Place has now become an official RiverStone Ministry. The College and Young Adults Ministry targets singles ages 18-35. Mason and his wife Hannah lead a weekly worship service for young adults and college students, a college young adult leadership team, and help to oversee weekly young adult small groups.


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Student Ministry Staff

Kristin McLendon

Student Pastor

Kristin joined the RiverStone staff as the Women's Student Pastor in August of 2008. In June of 2012 she became the Student Pastor. The Student Minstry targets all students from 6th-12th grade. Kristin leads a weekly worship service for the students, a student leadership team and also helps oversee our weekly discipleship small groups. Kristin also gives leadership to all our Student Minstry events which include: Middle School Retreat, Golf Tournament, Summer Camp, Leader's Retreat and many other small events. She also spends time investing in one-on-one discipleship and counseling with students. Kristin is married to Robert and they have a son named Jude.


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Direct Line: 678-384-5212


Grace Ann Achord

Family and Student Minstry Administrative Assistant 

Grace Ann worked on and off as the intern for RiverStone since 2008. Starting in June of 2012 she has officially come on staff. She works with the Student and Family minstry with all of their administrative needs; which includes event planning (Summer Camp, Family Events & Youth Events), communications, and day to day needs. She is in charge of  scheduling and coordinating weddings that happen at RiverStone. She has also taken over the website and all of RiverStone's Social Media channels. Grace Ann is married to Tyler.




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Direct Line: 678-384-5211



Children's Ministry Staff

Jenny Stanfield 

Director of the Garden 

Jenny Stanfield has been a part of the Riverstone family since August 2012. She has been involved in loving on kids and pointing them to Jesus since high school through serving in Children’s Ministry at various churches and teaching in public and private schools. Her heart is for children to know they are greatly loved and highly valuable. She is excited to see the children at RiverStone released into ministry and walking in the presence and power of Jesus more and more. Jenny is the proud Mama of Selah, Levi and Tucker.




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Shannon Essigmann

Garden Administrative Assistant 

Shannon has worked in childcare for 16 years. She has coached, taught and taken care of youth ranging in ages from newborn to high school age. Shannon accepted Jesus into her life at a very early age, but rededicated herself to him in middle school. For a very long time she has felt the Holy Spirit draw her into a life ministering to youth. Currently she teaches pre-school at Mt. Paran North, and is serving part-time as Administrative Assistant to Jenny Stanfield. Shannon and her husband are excited to be apart of the RiverStone church body!  




Robbie Miller 

Garden 4K & 5K  Area Leader

Robbie Gean Miller has been serving in The Garden since July 2013, after receiving a call to children’s ministry. Robbie joined the RiverStone staff in May 2014 as Childcare Coordinator and Team Member for the Preschool. Robbie has an MA in Christian Studies from GCU, a BA in International Studies from UC Denver, and a BS in Liberal Studies/Korean. She also proudly served in the U.S. Air Force. Robbie enjoys singing, reading, and learning languages. Robbie is very excited to be a part of what God is doing in The Garden!




Heather Barnes 

Garden 1st - 3rd Grade Area Leader 

Heather is the new Co-Leader for 1st-3rd grade and the Worship Leader for the Garden. She and her husband are new to RiverStone, as of the beginning of 2014, but not new to ministry. They have been married for 12 years and have been involved in some area of full time ministry throughout that time. Through her mission work in Guatemala, she developed a deep passion to care for the orphans both abroad and right here at home. Heather has a degree in Music Education with an emphisis in voice and has taught in both public & private school. She is excited to walk this new journey God has in store for her and her family here at Riverstone. Heather and her husband Tres have 3 amazing children.  




Sarah Koeppen 

Garden 4th & 5th Grade Area Leader 

Sarah has a great love for children, and although she has not spent much time in The Garden, she has nearly eight years of pasturing and teaching experience with children and youth. She also has experience with marriage and family ministry. Sarah and her husband Joel have been married for fourteen years and have five children of their own.   




Ann Wright 

Nursery Director

Ann, and her family live in Woodstock, and have been a part of Riverstone for 5 years. She has been married to Mark for 31 years. They have four grown children and four grandchildren. Serving the Body of Christ is one of her passions. Ann's desire is to see the Garden Nursery as fertile soil, with lots of love planted into the little ones! Lots of love planted by lots of harvest workers!




Casandra Erdelyi

Garden 1st - 3rd Grade Area Leader 

Casandra joined The Garden staff at RiverStone in May of 2014. She is the Co-Area Leader in the 1st-3rd grade class. She has served children in various ways, including: VBS, Mom’s groups and leading child care in Women’s Bible Studies. Casandra and her husband Aaron have two children, Haley and Morgan. 




Jessica Harvey

Garden 4th & 5th Grade Area Leader

Jessica Harvey has known she was supposed to be involved in children’s ministry since the age of 12. She has been involved in The Garden and other Wesleyan Fellowship church children’s ministries since 2004. She loves children deeply, and has a passion to see them equipped and released into active roles in the body of Christ, where they are thriving in using the gifts God has given them. It is her desire to see these children fall more in love with Jesus and lead others by showing them how to run, hand in hand, with God, wherever He wants to take them. Jessica is also very active in the creative arts ministry at RiverStone. She and her husband Shane have seven beautiful children of their own.

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Administrative Staff

Kenda Meeks

Manager of Finance

Kenda has worked at RiverStone since 2003. Kenda is a certified Public Accountant and is responsible for the Finance and Accounting functions. She coordinates the budget and audit process, prepares church financial reports, reviews and analyzes financial information, and develops internal policies and procedures for the church. She is responsible for most of the legal aspects of the church. Some of her duties include payroll, insurance coverage, negotiating contracts, review of all expenditures and payment and proper record keeping. Kenda is married to David and they have three children.




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Christi Holland

Hospitality Coodinator

Christi is the Hospitality Coordinator at RiverStone and joined the staff in 2008. Her responsibilities include coordinating hospitality volunteers for all worship services. She also assists with special events at RiverStone and works in conjunction with the facilites staff to insure the smooth running of RiverStone large events and day to day operations. Christi also works closely with the Parking Committee, Women's Ministry, and assists with weddings at RiverStone. Christi is married to Scott and they have two children.




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Robert McLendon 

Missions Coordinator 

Robert joined the RiverStone staff in March of 2013 as the Missions Coordinator. He works closely with RiverStone’s Missions Outreach Team, RiverStone’s financial staff, short-term missionaries, mission teams, and term missionaries to track financial contributions, policy adherence, and missionary relationships. Robert also counsels returning missionaries through transition periods and reverse culture shock. He earned his Bachelor’s degree in Psychology from Kennesaw State University and is currently working toward his Master’s degree in Christian Professional Counseling at Liberty University. Robert is married to Kristin McLendon and they have a son named Jude.


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Karla Bowling


Karla joined the RIverStone staff as a Garden Area Leader in October 2002. Karla served in the Garden for four years and now works in our Finance Department. Karla's responsibilities include Database management, Bookkeeping and managing donations  Karla and her husband, Tim, have three children and one grandchild.




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Nancy Gunther 

Manager of Operations

Nancy joined the RiverStone staff in January of 2013 as the manager of operations. She is responsible for all church operations including facilities, scheduling, systems, and human resources. Nancy and her husband, Skip, have two children, Annie and Andrew.




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Gini Crisp  

Administrative Assistant 


Gini joined the Riverstone staff in January 2013.  She provides administrative support for the Prayer and Healing ministries which includes Altar Ministry, Night of Healing Prayer and Sozo.  Gini is married to Patrick Crisp and they have three adult children and five grandchildren.


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Here is the Staff Menu



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