Pastor & Ministry Team

Keith Sietstra

Lead Pastor

Keith joined the Faith Church ministry team in 2016, serving as the Director of Discipleship for 5 years before moving into the Lead Pastor role in January 2021.  Keith's call to ministry came after spending 7 years in education, before God called he and his wife, Anita, back to Rock Valley.  Keith recently completed his MDiv through Fuller Theological Seminary in Pasadena, CA.  Keith and Anita have 4 beautiful children - Kase, Lydia, Savannah and Avery.  In his free time, you will find Keith involved with coaching the high school football team, his son's teams, or simply spending time with friends on the patio.
PHONE: 712-476-2642


Director of Discipleship

Chris will be joining our staff on February 1st of 2021.  Chris will oversee our life group and mission/outreach ministries of the church!
PHONE: 712-476-2642

Maria postmus

Director of youth ministries

Maria was born in Nebraska, but raised all over the Midwest.  She graduated from Kuyper College in 2003 with a double major in Youth Ministry and Bible Theology, and later earned her Master’s in Organizational Leadership in 2020.  She moved to Rock Valley in 2005 and worked in manufacturing for 15 years before joining Faith’s Ministry Team.  Maria and her husband Chad have two boys, Tripp and Caleb.  Maria enjoys hanging out and talking with kids, reading, baking and spending time with her family on their various adventures. 
PHONE: 712-476-2642

Jenna Vanden bosch


Jenna will be joining Faith Church on  June 1st, 2021!
PHONE: 712-476-2642

Megan ten clay

Director of church Life

Megan was born and raised in Rock Valley. Megan’s primary responsibilities are to help coordinate and communicate with the church body events happening at the church as well as handling facility reservations. Prior to working at Faith, she served as a funeral director. Megan enjoys gardening, working out, and spending time with her husband, Michael and kiddos, Lexi, Aubrey, and Ben. 
PHONE: 712-476-2642

Rachel kraai

administrative Assistant

Rachel was born and raised in Starkweather, ND. For all you fisherman out there just 25 minutes from big old Devil’s Lake! Rachel’s primary responsibilities are getting the bulletin and Power Point ready for Sunday worship as well as helping others in the office. Prior to working at Faith, she was a stay at home mom running after Don, Lily, Daisy, Violet and Lucas. Rachel enjoys wrangling some free time with her husband, Chad and playing games and talking with her kids. 
PHONE: 712-476-2642



Born and raised in Rock Valley, Karin recently moved back to Rock Valley from Sioux Falls, SD, where she studied nursing at Augustana College and worked as a nurse at Sanford. She married Adam, fellow Augie grad, and they have two boys, Elijah and Noah. Karin’s responsibilities include maintaining a clean and welcoming facility here at Faith Church. 
PHONE: 712-476-2642