From the website:
As the ecumenical professional association for mission studies in North America, the American Society of Missiology includes more than 600 academicians, mission agency executives, and missionaries in a unique fellowship of scholarship and mission. It seeks to
Promote the scholarly study of theological, historical, social, and practical questions relating to the missionary dimension of the Christian church.
Relate studies in Missiology to the other scholarly disciplines.
Promote fellowship and cooperation among individuals and institutions engaged in activities and studies related to Missiology.
Facilitate mutual assistance and exchange of information among those thus engaged.
Encourage research and publication in the study of Christian missions.