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Leadership Team

Bill Flavin

Lead Pastor


I am excited to be a part of the River Rock family, and to see how God will use my passion for community partnerships, preaching, coaching, and discipleship in this next season to grow the River Rock family.

After graduating from Hope College and Western Seminary, God called me to serve a church in the greater Milwaukee area for 11 years. My wife Amy and I are proud parents to our two children Will and Addie. I am both a runner and a morning person (I know, what a combo!). I also love a good cup of coffee, so if you want to grab a cup of coffee to connect, you won't have to do much convincing.

I look forward to connecting as we dream and imagine together how to deeply live into our vision and call from God to be a people who are Radical in love, Real in relationships, and rooted in Christ.

Jeanne Maher

Pastor of Care and Support


Pastor Jeanne is a Commissioned Pastor, leading our Care and Support Team. She is also a Faith Community Nurse who worked in nursing administration before being called to ministry. She leads the Pastoral Care Ministry, supports the Prayer Ministry and leads the Administration and Facility Ministry at River Rock.

In her free time, she enjoys life with her husband and family, that includes six grandchildren!

Shelley Plambeck

Accounting Associate


Shelley Plambeck serves River Rock by handling our accounting work. She also runs. A lot. If you can catch her, she can answer your financial questions, with a smile.

Jen DenOuden

Connect Team Leader


Whether you are new to River Rock or have been attending for years, Jen can help you plug into the ministry area or program that is the right fit for you or your family. Jen also leads the hospitality team, church and community-focused events and communications for River Rock.

Bobby Moore

Student Ministry Coordinator


Bobby Moore originally joined our staff as an intern and was asked to stick around. He is passionate about our High School and Middle School Ministries. He's also VERY passionate about a certain University from his home state. Go Duke!

Lisa Nyenhuis

Children's Ministry Director


Lisa joined the River Rock team as Children's Ministry Director in 2016, but she's no stranger to our kids. Lisa, or "Miss Lisa" as many kids know her, has been volunteering with Kids On The Rock for many years and has a passion to see kids learn and grow in their relationship with Jesus. Lisa leads our Kids On The Rock Sunday classes , GEMS and Cadets ministries and anything else "kid focused."

Chris Mulder

Kids On The Rock Preschool Coordinator


Chris keeps her head down and her nose to the grindstone. Chris takes care of all kinds of preschool business. If you have a passion for helping with infants and toddlers, talk to Chris and she'll get you plugged in.

Jan Wierenga

Kids on the Rock Ministry Assistant


Jan supports both the Kids on the Rock K-5 program as well as the preschool rooms. If that didn't keep her busy enough, she manages many of the office administrative projects week-to-week. Some call her Jan, we call her Wonder Woman.

Jon Versluis

Student Ministry Co-Director


Jon joined the River Rock team in 2020 as one of the directors of both the middle school and high school ministry programs. Jon is a familar face to River Rock as he grew up attending the church. Jon also has some amazing side talents such as making the perfect cup of coffee!

Mandi Molt

Kids Hope USA Director


One Child. One Mentor. One Hour a Week. Kids Hope USA opens doors for students to find a mentor who supports and encourages them specific to their own needs. In Mandi's role as Kids Hope USA Director for River Rock, she passionately seeks out mentors for kids in our community who would benefit from a one on one mentor.

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