2026 Social Science Advocacy Day
March 23, 2026-March 24, 2026
March 23, 2026 – March 24, 2026 EDT
COSSA’s Social Science Advocacy Day is back! Join COSSA on March 23-24, 2026 in Washington, DC! Advocacy Day brings together social and behavioral scientists and science advocates from across the country to engage with policymakers.
This page is for registering to participate in Advocacy Day in-person in Washington, DC on March 23-24, 2026. Can’t make it to DC this Spring? Watch your inbox for info on how you can engage from home.
Sponsorship packages are available and include free event registrations. If your organization is interested in sponsoring, please contact Wendy Naus (wnaus@cossa.org) before registering for Advocacy Day.
Thank you to our sponsors!
Gold Sponsors
Silver Sponsors
COSSA Member Benefit
Participation in Advocacy Day is a benefit reserved exclusively for COSSA member organizations. Check our member list to see if you belong to a member organization, or contact us to learn more about joining COSSA.