Our Leadership

Senior Executive Team

David Viehman

Acting President and CEO

David Viehman serves as Acting CEO of American Bible Society. Holding an MDiv from Biblical Theological Seminary, Viehman has worked in direct service of the church for over a decade-including as a consultant on church planting for the Metro West Presbytery, as CFO for Missio Theological Seminary, as Associate Pastor at…

David Viehman serves as Acting CEO of American Bible Society. Holding an MDiv from Biblical Theological Seminary, Viehman has worked in direct service the church for over a decade-including as a consultant on church planting for the Metro West Presbytery, as CFO for Missio Theological Seminary, as Associate Pastor at Cresheim Valley Presbyterian Church, and currently as Moderator of the Philadelphia Presbytery. Viehman brings his strong financial acumen to this role-having worked for two decades in audit and business development at Deloitte. Serving on American Bible Society’s Board of Directors since 2021, Viehman has a passion for Bible ministry and for supporting the people doing it. Viehman and his wife Elsie Viehman have been married for more than 45 years and have 3 children and 6 grandchildren.

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David Viehman, Acting President and CEO

John Clause

Senior Vice President, Ministry Advancement

John Clause is Senior Vice President for Ministry Advancement at American Bible Society. He joined the organization in February 2020 and has vast experience in leading and managing relational marketing, major gift development and global philanthropy in the non-profit sector. Clause served as Vice President of Global…

John Clause is Senior Vice President for Ministry Advancement at American Bible Society. He joined the organization in February 2020 and has vast experience in leading and managing relational marketing, major gift development and global philanthropy in the non-profit sector.

Clause served as Vice President of Global Philanthropy at Children International, Kansas City, Missouri. There he oversaw all relational development work, gift planning, donor communications and strategic institutional partnerships. Other positions he held include Senior Vice President of Prison Fellowship International, where he was responsible for all private fundraising channels, and National Vice President of Development and Philanthropy for World Vision. He was there for more than 17 years and oversaw all major fundraising activities in the United States.

Clause is a member of the Christian Leadership Alliance and has served on the advisory board of the National Council of Churches and the governing board of Movement.org (formerly The New York City Leadership Center).

He earned a bachelor’s degree in political science from Colgate University and his Juris Doctorate from Ohio Northern University School of Law.

John and his wife Susan have three grown children, Bethany, Sharon, and Christie, as well as two rescue dogs, Jack and Rosie.

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John Clause, Senior Vice President, Ministry Advancement

Whitney T. Kuniholm

Acting Chief Ministry Impact Officer

Whitney T. Kuniholm serves as Acting Chief Ministry Impact Officer at American Bible Society. Previously, he served since July 2018 as Senior Vice President of Mission Advancement, where he led the fundraising, communications, and research activities underpinning American Bible Society’s ministries.

Kuniholm has also led the First Bible team, focusing on Scripture provision around the world, and dedicated 16 months to establishing a strong foundation for American Bible Society’s $150 million Bicentennial Campaign as Director of Campaign Partnerships.

Kuniholm is President Emeritus of Scripture Union USA, where he provided over a decade of leadership. Before joining Scripture Union, he served as Executive Vice President of Prison Fellowship. He also held the position of Chairman of the Forum of Bible Agencies – North America.

In 2004, Kuniholm created the E100 Challenge, a church-wide Bible reading program that has been translated into 25 languages and has reached 15 million people around the world. American Bible Society has used the E100 Challenge in its Armed Services Ministry and in Bible distribution work in China. Other resources authored by Kuniholm include four books—The Essential 100, The Essential Jesus, The Essential Question, and John: An Eyewitness Account of the Son of God—and many booklets, including Confessions of a Guilty Bible Reader. He is a regular speaker at churches and Christian conferences.

Kuniholm is a graduate of Houghton College. He and his wife, Carol, have three children and three grandchildren.

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Board of Directors

Beginning June 20, 2021 and Concluding July 1, 2022

Karen McDonald

Chair of the Board

Katherine Barnhart

Vice Chair of the Board

Mary E. Banks

Secretary of the Board

Georganne Perkins

Treasurer of the Board

Tessie DeVore

Deborah Garcia-Gratacos

Timothy Houseal

George Kovoor

Mark Matlock

Theodore Nicolakis

Ash Noah

Mario Paredes

Charles Shaver

Kenneth Volpert

David H. Wills

Joyce Koo Dalrymple

David Viehman

Acting President and CEO

The mailing address for all Directors is our headquarters at: American Bible Society, 101 N. Independence Mall East, FL 8, Philadelphia, PA 19106-2155