Zollikon Institute Board

Dr. John Stahl-Wert – Board Chair, is the Founder of Center for Serving Leadership. He has pioneered training solutions for 25 years, working with organizations around the world that want to produce outstanding results by investing in their people. He has written eight books, including the international best-sellers, The Serving Leader and Ten Thousand Horses. He has coached executives as well as hundreds of businesses in the U.S., Singapore, and Hong Kong. For 18 years, John served as President/CEO of Pittsburgh Leadership Foundation as founder of the International Training Institute for Leadership Foundations.

Joshua Good lives in Lancaster County, Pennsylvania, where he is the principal of Ephrata Mennonite School.  He holds a bachelor’s degree in History, a master’s degree in Teaching Secondary Social Studies, and an MS in Educational Leadership.  He and his wife, Tonya, have three school-aged children.  They attend Cornerstone Mennonite.

Mark Miller serves as lead pastor of Crosspointe Mennonite Church in Baltic Ohio. Alongside his pastoral duties, he brings his entrepreneurial spirit to East Main Kitchen and Miller’s Seamless Spouting, both based in Baltic. His diverse roles reflect a deep dedication to serving and improving his local community. In addition to his professional endeavors, Mark serves as a pastoral adviser at Legacy Christian School in Sugarcreek, Ohio, where he has been deeply connected to promoting Anabaptist education for over 20 years. As a pastor, he has a particular heart for training of bi-vocational pastors, as well as education for young adults. He serves on the Leadership Committee of Anabaptist Disciples of Christ as well as various other non-profit boards. He lives on a beef farm in Newcomerstown with his wife, Maureen, and their four children.

Roger Schrock has worked at Rockwood Door & Millwork for 37 years, currently serving as President. The family-owned business specializes in architectural wood doors for luxury homes and custom projects. In addition to his role in the business, he serves as the pastor of Light of Truth Mennonite Church, where his ministry focuses on helping others discover their God-given identity and live in the freedom of knowing they are loved and forgiven. Roger lives with his wife, Marilyn, who is a vital support in both his work and family life. Together, they are blessed with five children.

Jim Smucker is President of Keim, a building supply company in Charm, Ohio.  He holds both Masters and Ph.D. degrees in Management.  Prior to his work at Keim, Jim served for twenty-seven years as a partner and President of the Bird-in-Hand Corporation, in Lancaster, Pennsylvania.  He has taught graduate and undergraduate courses in business and organizational management at several universities.  His research interests include empowerment in the workplace, developing authentic leaders, and the contribution of the Believers Church to governance and leadership models.  He has embraced Anabaptism as a foundation on which to build a model of serving leadership throughout his adult life.  He lives near Sugarcreek, Ohio, with his wife Anna and has three adult children and two grandchildren.

Bill Mullet – Board Member Emeritus, lives in Sugarcreek, Ohio.  He is the founder and chairman of the board of ProVia.  He is also a retired pastor.  He and his wife, Ellen, attend Bethel Fellowship Church.  His lifetime of work includes serving on educational boards both stateside and internationally.  His experience involves preaching and teaching at churches and seminars around the world.