John Maust


John became president of MAI in 1998 after more than 20 years’ experience as an editor and journalist. He worked 10 years as editor of the award-winning Latin America Evangelist magazine, published by Latin America Mission. He also spent four years in Peru as a missionary journalist. And he was assistant news editor of Christianity Today magazine and editor of a small-town Indiana weekly newspaper.

John has authored three books related to the church in Latin America: Cities of Change, research and insights on 10 Latin cities; Peace and Hope in the Corner of the Dead, an on-site account of the evangelical relief effort to help victims of terrorist violence in Peru; and New Song in the Andes, story of the amazing church growth among Ecuador’s Quichua people.

Ramon Rocha III

Director of Publisher Development

Ramon oversees MAI's training programs to equip Christian publishers in underserved areas of the world. He joined the staff in MAI's headquarters in 2012 with 15 years' experience in Christian publishing and international training.

As former CEO of OMF Literature, Inc, in the Philippines, Ramon led it to become the nation’s largest Christian publishing house during his leadership from 1997 to 2008. He was the founding chair of MAI-Asia. Ramon volunteered for 12 years with MAI, offering training and consultation to publishing leaders and authors in 11 countries, including China, Burma, Thailand, Vietnam, Cambodia, Indonesia and others. He authored The Christian Publisher: Strong in the Storm in the Expand Your LittWorld series (MAI).

Dawn Herzog Jewell

Communications Manager

Dawn Jewell oversees the production of MAI's print and e-publications, videos and brochures, and manages our website, blog and social media. Prior to MAI, she was managing editor of missions publications at the Billy Graham Center at Wheaton College. Dawn is the author of Escaping the Devil's Bedroom: Sex trafficking, global prostitution and the Gospel's transforming power

Bonnie McCullough

Administrative Assistant

Bonnie handles MAI's book orders and bookkeeping. She is also the receptionist at the MAI office, giving a gracious welcome to visitors and callers.