Dr. Hayward was a missionary for 20 years among the highlands Dani people in Papua, Indonesia. His ministries include church planting, community development coordinator, leadership training and staff development, and supervision. He has written three books on the Dani people, plus numerous journal articles, encyclopedia entries, and chapters in books on missiological topics. He teaches classes in anthropology, folk religion, contextualization, ethics, new religious movements, and spiritual warfare. His outstanding contributions as a teacher have been acknowledged by awards from Who's Who Among America's teachers, the Marquis Who's Who in the World, and Who's Who in American Education.