Resource Authors

Barbara Schultze is a home care nurse, parish nurse, and a minister in the United Methodist Church in Michigan. (Source: amazon.com)

Dr. William W. Schumacher is professor emeritus at Concordia Seminary, St. Louis and the Buehner-Duesenberg Professor of Lutheran Missions. He retired in 2023 after 27 years of distinguished service. At the time of his retirement, he was mission professor of Historical Theology and director of the Institute for Mission Studies....

Ruth Ann Schuringa is the worship director at Mountainview Christian Reformed Church in Grimsby, Ontario, and an endorsed worship coach with Thrive, a ministry of the Christian Reformed Church. She is a graduate of Redeemer University College (Hamilton, Ontario) and Calvin University. She has a broad range of skills as...

Dr. Peter Schuurman is an adjunct professor in Religion and Theology at Redeemer University, where he has taught since 2008. He graduated from the University of Waterloo, McMaster Divinity School, Queen's University, and Calvin University. Schuurman teaches courses in world religions, youth ministry, spiritual formation, and leadership, and serves as...

Dr. Derek C. Schuurman is Professor and Chair of Computer Science at Calvin University, bringing experience from both industry and academia. His work centers on robotics, computer vision, embedded systems, and the philosophical and ethical questions surrounding technology, often engaging these topics from within the Reformed tradition. He is a...

Rev. John F. Schuurman is a retired Christian Reformed Church pastor best known for his long tenure at Wheaton CRC, a congregation with a history of unconventional beginnings, community engagement, and racial reconciliation. During his leadership in the early 1990s, the church launched a ministry to Vietnamese immigrants that grew...

Rev. Dr. Tom Schwanda is Associate Professor of Christian Formation & Ministry Emeritus at Wheaton College, and an adjunct associate professor of Christian Spirituality at Fuller Seminary. He was a pastor for over eighteen years serving in three Reformed Church in America (RCA) congregations. He also served an editor for Baker Books and...

Sr. Barbara Schwarz is a Dominican Sister of Amityville. She is an artist and member of the Dominican Institute for the Arts. Barbara's work reflects a deep sense of justice and a profound love of color. She does workshops, days of prayer, and art as meditation with groups. Barbara has...

Rev. Victoria (Vikki) Schwarz is the Associate Pastor and Music Director at Berkeley UMC. She graduated from Colorado State University, University of Texas at Austin, and Austin Presbyterian Theological Seminary. Vikki is an ordained Deacon in Full Connection in The United Methodist Church and is certified in Music Ministry through...

Mary Scifres is an expert in organizational and leadership development with extensive work in innovation, growth, and creative worship design. An internationally-acclaimed speaker, teacher and author with over two decades as a consultant and executive leadership coach, Mary helps clients reclaim their purpose, refocus their mission, and reenergize their work....