SNMMI's mission is to improve human health by advancing molecular imaging and therapy.

As a volunteer organization, SNMMI is governed by a policy-making board of directors, a house of delegates, committees and councils.

[5] The Journal of Nuclear Medicine Technology focuses specifically on issues of interest to technologists.

On behalf of its members, SNMMI advocates for improved policies and legislation for research, funding and reimbursement for molecular imaging.

SNMMI is involved in educating patients and referring physicians about nuclear medicine and molecular imaging.