Desmond worked in graphic design for 20 years, including in parachurch organization. He later answered God’s call and equipped himself in Golden Gate Baptist Theological Seminary and Fuller Theological Seminary. He served as a church pastor, led STM teams to Central and South America, and served in restaurant ministry. In September of 2014, Desmond confirmed his calling and joined CCM as a mission worker to Belize, starting new ministries and building up believers. Pastor Ma is married with a son and a daughter. His family and church support his ministry.