Andrew Mills is a retired groundwater hydrologist/programmer. He has led and participated in several peace organizations in the United States, including the Davis Vietnam Peace Committee, the New Jersey Peace Mission and the mid-Atlantic region of Witness for Peace (WFPMA). He is a former coordinator and later appeals chair of WFPMA from 1994 to 2012. As a younger man, he served as a lay missionary to India for nine years under the United Church Board for World Ministries.