AMERSA's mission is to improve the health and well-being through leadership and advocacy in substance use education, research, clinical care, and policy. AMERSA works to promote and advance multidisciplinary engagement, education, mentorship, and leadership among those who teach, study, advocate, and provide clinical care in the field of substance use and addiction AMERSA champions antiracism, equity and inclusion for persons who are disproportionately affected by unhealthy substance use.