Stan Kruis graduated from Calvin Theological Seminary in 1984 and began serving as a missionary in the Philippines, where he met his future wife, Bessie. Together they served in church planting and leadership training in the Philippines. After completing a Ph.D. in intercultural studies at Fuller Theological Seminary, Stan returned with Bessie to the Philippines in 2014, where he taught missions at the Asian Theological Seminary in Manila. Now retired, they live in Michigan. Stan and Bessie have two married children and one grandchild.