Our Leaders

David Juelfs

Senior Pastor

David Juelfs has served as a pastor at Redeemer since 2008 and was called as the Senior Pastor in 2012. David grew up in Encinitas, North County San Diego, and vowed to never move anywhere he couldn’t wear Rainbow flip-flops year round. He went to Wheaton College in Chicago (the flip-flop vow didn’t last) and graduated with a BA in Biblical and Theological Studies. David and Heather, who met as Seniors in high school, married in 2000, and after serving youth and their families in congregations in South Carolina and Ohio, they moved to St. Louis to study at Covenant Seminary. David received his M.Div. in theology and pastoral ministry from Covenant in 2008 and moved back home to California to serve Redeemer. David and Heather have five children and live in Costa Mesa.

Adam Feichtmann

Associate Pastor

Adam joined the Redeemer community in January 2013. He and his wife Karina have two children and are in the process of adopting a son from Ethiopia. Adam graduated from Biola University with a BA in Christian Education and earned an MA in Biblical and Theological Studies from Talbot School of Theology. A former resident of Australia and avid surfer, Adam is an ocean enthusiast and involved in coastal preservation organizations.

Chad Brewer

RUF Campus Minister at UCI

Chad joined the Redeemer community in July 2015. He moved from Minnesota to Orange County with his wife Christie and 3 daughters (Charis, Chara, and Caelin) to start a new RUF campus ministry at UC Irvine. He received a BA in History from Shippensburg University in PA and his MDIV from Covenant Seminary in St. Louis. His experience as an RUF campus minister includes the University of Missouri and starting up two new ministries at Penn State and University of Minnesota. Chad is a man of many loves and likes – he loves his girls (wife and 3 daughters), loves playing sports, loves 70’s and 80’s music, and likes movies and reading history.

Amanda Knox

Children’s Ministry Director

Amanda and her husband Clint have been members of Redeemer since 2001. A true California native, Amanda grew up in Orange County and graduated from Long Beach State with a BS in Biology Education. She does not remember a day when she was not involved in Redeemer’s Children’s Ministry in some capacity, and is passionate about sharing the love of Christ with families. She has worked as a classroom teacher at church, in private and public schools, and as a homeschooler. Amanda and Clint live with their four sons in Costa Mesa, CA.

Josh Cooper

Pastoral Assistant for Youth Ministry

Josh, with his wife Hallie, have been members of Redeemer since 2012. He studied theology through Reformed Theological Seminary and appreciates working with junior high and high school students at Redeemer. Beyond hanging out with students, enjoying youth events & trips, and leading Bible studies, Josh and Hallie own and operate a fitness company where they enjoy using their gifts to bring true health and renewal to their community one person at a time.

Kem Erskine

Church Administrator

Kem has been a member of Redeemer since 2005 and joined the staff in 2010. She grew up in South Carolina and also lived in Tennessee, Colorado, and Texas before moving to the West Coast. Kem graduated from Vanderbilt University with a B.S. in mathematics and education, and has worked as a classroom teacher and as an analyst in Human Resources. Kem and her husband Guy live in Costa Mesa and have 6 teenage children.

Jeff Mercer

Lead Musician

Jeff and his wife Carmen are both teachers and, along with their two daughters, love being a part of Redeemer. Jeff graduated with a degree in Music Education from California Baptist University. He has been teaching music since 2008 and involved in music ministry since 2003.

Ruling Elders

  • Drew Duncan
  • Carl Messenger
  • Cameron Moore
  • Rob Mouw


  • Andrew Evans
  • Mike Maxwell
  • Larry Wormald
  • Dave Fusco, Treasurer

Diaconal Assistants

  • Christie Brewer
  • Nancy Cox
  • Stephanie Handley
  • Anita Regehr