Calvary Church GR

Our Staff

Pastoral Leadership

Tom Olsson

Lead Pastor

Jim Samra

Senior Pastor

Kristen White

Senior Pastor's Personal Assistant

Adult Ministries

Jakob Jackson

Pastoral Staff, Small Groups & Men's Ministry

Karen VanHolstyn

Assistant Director, Adult Ministries

Jim Stortz

Community & Care Team Leader

Courtney Hoekwater

Ministry Assistant, Adult Ministries

Calvary Kids

Scott Barry

Children's Choir Co-Director

Valerie Bierlein

Children's Choir Co-Director

Carla Boon-Julien

Calvary Kids Ministry Assistant

Leslie Iverson

Calvary Kids Facilitator

Shelly Lamport

Pastoral Staff, Calvary Kids

Sheri Schmidt

Orphan Care

Elizabeth Thelen

Calvary Kids Facilitator

Simon Endacott

Assistant Director, Calvary Kids

College & Young Adults

Mason Sherrill

Pastoral Staff, Young Adults

Samantha Heetderks

Ministry Assistant

Kirstin Herbruck

Facilitator, Young Adults


Barb Clauson

Custodial Team Leader

Tom Eggleston

Preventive Maintenance

Ken Meines

Director of Facilities

Brian Novak

Custodial Supervisor

Financial Services

Cheri Davis

Accounting Assistant

Barb Nauta

Assistant Director of Financial Services

Susie Saunders

Accounting Assistant

Chris Snedeker

Accounting Assistant

Sue Schroeder

Director of Financial Services

Food Services

Neal Milburn

Lead Cook

Kevin Troupe

Director of Food Services


Jackie Rice

Director of Communications


Jakob Jackson

Pastoral Staff, Small Groups & Men's Ministry

Mercy & Hospitality

Lee Content

Pastoral Staff, Mercy & Hospitality

Lou DeGraaf

Ministry Assistant & External Benevolence

Ardo Draper

Pastoral Staff, Prison Ministry

Nam Kim

Pastoral Staff, International Ministries

Brenda Neher

Facilitator, Mercy & Hospitality

Sheri Schmidt

Orphan Care

Katy Lambert

Missions & Outreach

Chris DeHaan

Executive Assistant

Bruce Huseby

Pastoral Staff, Global Missions & Senior Adults

Celeste McDonough

Mercy & Missions Team Leader

Natalie Uecker

Short-Term Missions & Local Outreach

Emily Franklund

Ministry Assistant, Missions & Outreach


Marilyn Lorenz


Don Tuuri

Director of Operations & Security

Pastoral Care

Lynnell Bok

Benevolent Ministry & Wedding Process Coordinator

Josh Mateer

Pastoral Staff, Pastoral Care

Dane Bjork

Assistant to Pastoral Care

Jim Stortz

Community & Care Team Leader

Pastoral Residents

Adam Anderson

Pastoral Resident

Lenski Llorens

Pastoral Resident

Katie DeHaan

Pastoral Resident

Serving & First Impressions

Rebekah Kennedy

Director of Serving & First Impressions

Special Needs

Pamela Cook

Special Needs Youth Facilitator

Elleen Fitzgerald

Special Needs Adult Facilitator

Judi Warner

Director of Special Needs Ministry


Lee Bergakker

Pastoral Staff, Middle School Ministry

Sara Tindall

Director, 7th & 8th Ministry

Samantha Heetderks

Ministry Assistant

Josh Karhan

Pastoral Staff, High School

Jim Stortz

Community & Care Team Leader

Technical Services

Mark Kotlarczyk

Director of Technical Servicesoffice: 616-956-9377

Marlene Timmer

Technical Services Ministry Assistant

Brad Visser

IT Support Specialist

Joey Symonds

Assistant Director, Technical Services

Elaine Lohroff

Arena Database Specialist


Donna Ross

Women's Ministry Assistant

Susan Sorensen

Pastoral Staff, Women


Andrew Crowder

Pastoral Staff, Worship Ministry

Mark Grevengoed

Orchestra Director

Cynthia Haas

Worship Pianist

Christie Thompson

Ministry Assistant

Mark Welling

Assistant Director, Worship Ministry