Our Staff


Jack Guerra

Lead Pastor

Jack was born in upstate New York but primarily called Blacksburg, Virginia home in his formative years. He attended Southeastern University in Lakeland, Florida where he met his wife Gina. After 31 years of marriage, four kids, and many moves, Gina passed away in June of 2022. Jack has worked on church staffs of varying sizes in Virginia, Ohio, North Carolina, and Florida. Jack became the Lead Pastor of Spring Lake Church in 2014. As Lead Pastor, he’s responsible for the vision, direction, and culture of the church. He enjoys reading, fitness, coaching sports, leading in the church and college football. (Go Virginia Tech Hokies!)


Jeff Pittman

Executive Pastor of Ministry

Jeff is a native of Menomonee Falls, Wisconsin. He graduated from Wheaton College with a Masters in Evangelism and Leadership. Before joining Spring Lake in October 2017, Jeff served as a Campus Pastor at a multi-site church in Northern Illinois. As our Executive Pastor, Jeff leads the staff and is responsible to strategically direct the church towards the mission and vision.  He has a passion to help the church grow in effectiveness. Jeff and his wife Resa, live in De Pere with their four daughters. When not at church, he enjoys running, biking, hiking, anything with his kids and cheering on the Packers and Badgers!


Bill Van Kirk

Downtown Campus Pastor

Bill grew up in Northwest Indiana before moving to Rhinelander in Jr. High School. He graduated from Moody Bible Institute in May, 2008 and began serving at Spring Lake Church in 2010. Bill shepherds those who call the Downtown Campus home. In addition, he leads our church communications, with a focus on digital aspects, and is responsible to help people from all campuses get connected into our church family. He is passionate about the church, helping people come to know Jesus and grow as His disciples. Bill and Erica live in Ashwaubenon with their three children. He enjoys technology, woodworking, coffee, and theology.


Adam Jackson

Bellevue Campus Pastor

Adam is a Wisconsin native and a graduate of Moody Bible Institute. He has served as a Youth Pastor, Small Groups Pastor, Teaching Pastor, and Senior Pastor throughout the Midwest and Oregon. He came to Spring Lake in August of 2017. Adam shepherds those who call the Bellevue Campus home. In addition, he leads our Life Groups, Focus Groups, and Membership process for the entire church. His passion is to point people to the hope and joy that is found in the gospel. Adam and his wife Stacey have four grown daughters and live in De Pere. He enjoys date nights with Stacey, family time, sports and photography (primarily wildlife).


Ryan Groshek

Associate Pastor - Family Ministry

Ryan grew up in Stevens Point where he met his wife, Jenny during their years at UWSP. He received his Masters of Divinity from Trinity Evangelical Divinity School.  Ryan oversees our ministries focused birth through 18, with a primary focus on Student Ministry. Ryan loves working with teenagers and leading a team of adults who invest in students. Ryan, Jenny, and their kids, Alethea, Eden, and Judah have a home in East Green Bay. As lifelong Packer Backers they love living in Titletown. Ryan is a Bible-nerd who likes reading thick books and listening to podcasts, but really recharges his batteries by playing disc golf and ultimate frisbee!


Charlie Flack

Associate Pastor - Worship Ministry

Charlie was born and raised in Toledo, Ohio.  Charlie’s worship ministry started In 2001, while serving at church in Toledo. Since then he has served in worship ministry across the country in a variety of church settings. Charlie oversees our music, technical, and broadcast teams across all campuses. In his free time, he enjoys playing some soccer and enjoys the outdoors or maybe even catching a wave or two (surfs up!). Serving people is his passion and he loves spending time with his wife, Christine, and their five children: Felicity, Rafferty, Willoughby, Macauley, and Rooney.


Jeff Lederer

Associate Pastor - Care Ministry

Jeff was born in the Dallas/Fort Worth Metroplex in Texas. He graduated from Dallas Theological Seminary with a Masters in Biblical Counseling.  Jeff has served pastorally in Texas and Kansas before coming to Spring Lake Church.  Jeff leads the Biblical Counseling, Care Groups, and Congregational Care ministries.  His passion is to help others see how Christ meets us wherever we are with grace, truth and hope by the power of the Holy Spirit.  Jeff lives in Green Bay with his wife, Cara, and their four children.  He enjoys intentional time with Cara, eating good food, and making new and fun memories as a family wherever the next adventure leads them.


Garet Meyer

Pastor - Young Adults and Downtown Students

Garet was born and raised in Stevens Point, WI .  He attended University of WI-Stevens Point for one year before deciding that he wanted to pursue youth ministry at Woodlands Church as a student ministries intern for two years.  In January of 2020, Pastor Ryan Groshek reached out to Garet and asked him to join the student ministries team at Spring Lake Church, where Garet completed his ministry licensing with the EFCA in May of 2021.  Garet became the pastor of downtown student ministries and young adults in 2022.  His passion is to disciple young people and show them what it looks like to completely submit their lives to Jesus. Garet met his wife Hope shortly after moving to Green Bay.  They got married in May of 2022.  Garet loves playing disc golf with pastor Ryan, watching movies & the Packers, and getting Sara’s Gelato with his wife.


Ministry Directors and Managers

Mitch Eastman

Operations Director


Deb Salibi

Kids Ministry Director


Carrie Vajko

Communications, Connections, and Online Campus Manager


Support Staff

Kristin Wevley

Executive Assistant


Dana Holle

Outreach Assistant


Karen Milkie

Elder Board Assistant


Ellen Smithback

Student Ministry Assistant


Joan Zillges

Receptionist/Facilities Coordinator


Romeo Santiago

Building and Facilities


Marc Woeslaw

Building and Facilities


Dana Roberts

Care Ministries Assistant


Kayla Erickson

Childcare Coordinator


Amanda Hayes

Kids Ministry Coordinator - Bellevue Early Childhood


Nadine LeRoy

Kids Ministry Assistant


Erin Luchterhand

Kids Ministry Coordinator - Bellevue Elementary


Andrew Janssen

Technical Coordinator


Krystal Shutte

Worship Ministry Admin



Paul Sauvey

Elder Board Chair

Scott Propp

Elder Vice Chair

Jesse Watzka

Elder Secretary

Jordan LeClaire


Mike Swaney


Stan Sukowaty