李定武牧师，「更新传道会」创办人及美国总会总干事，美国哥伦比亚大学工学博士，曾任纽约州立大学石溪校区正教授。一九八五年蒙召作全时间传道人至今，期间获美国费城西敏斯特神学院宗教硕士及南非国立大学神学博士学位。牧会多年，从事门徒训练及巡回传道二十余年，有数本著作。
「更新传道会」是一个以文字，传道为主，辅助教会的机构，除出版书籍外，并出版《新国际版研读本圣经》，《寻道本圣经》及《圣徒装备》、《丰盛生命》等门徒训练之教材。
REV. TING W. LEE
Rev. Ting W. Lee is the Founder and Executive Director of Christian Renewal Ministries. He studied and received his Ph.D. at Columbia University and held faculty positions at several Universities including a full professorship at State University of New York at Stony Brook. Committed himself to full-time ministry in 1985, he studied at the Westminster Theological Seminary in Philadelphia and the University of South Africa in Pretoria, culminated respectively, in a MA degree in Religion in 1987 and a ThD in 2006. Pastor churches for many years , Rev. Lee has engaged in discipleship as well as evangelistic ministry for over two decades. He is also an author for several books.
The mission of Christian Renewal Ministries is to promote the Gospel and church renewal through preaching, discipleship and mass media ministry, especially in literature. In addition to books and booklets, its publications include the Chinese NIV Study Bible, the Chinese Quest Study Bible, and several discipleship-training materials, such as Equipping the Saints, Abundant Life, etc.