How Chuang was born and raised in Singapore, and came to faith at the age of 9. He received his theological education at Regent College, and subsequently obtained his PhD from Trinity Evangelical Divinity School. How Chuang and his wife, Kaori, joined OMF International in 1998, and were sent from Singapore to serve as missionaries in Japan. They were involved in church planting in Hokkaido. How Chuang also served as the Dean of Students at Hokkaido Bible Institute, and as an adjunct lecturer at Japan Bible Seminary. In 2015, he was called home to be with the Lord, leaving behind his wife and his daughter, Airi.
