Timothy Liu works as a regional sales manager for a US engineering company and oversees business in Asia—his primary place of calling and ministry. He holds a B.S. in Electrical Engineering and a Master of Business Administration. Timothy is the founder of Marketplace Christian Network, a ministry that equips Christian professionals to see themselves as full-time ministers in the marketplace and adopt their workplace as their missions field. He has served as president of the Graduates' Christian Fellowship Singapore Council since 2007, which consists of several professional fellowships (medical, legal, teachers, science and engineering, counselors & psychologists, business), and encourages them to be salt and light—serving students, the church and society. Timothy is also Senior Associate of the Lausanne Committee for World Evangelization—teaching, networking and equipping new strategies for Christians to live out the Gospel in an everyday context. He is on the Board of the Biblical Graduate School of Theology in Singapore, which serves to equip lay leaders and pastors alike to develop an integrated biblical worldview for effective service in the church and the marketplace.