Sigma Delta Tau has made it easier than ever for all SDT members to connect with the National Office and each other. The SDT Portal, our online database and member management platform, can be accessed remotely by all staff, volunteers, collegiate and alumnae members. This portal puts unlimited resources and timely communication at your fingertips! It is a one-stop-shop for accessing useful trainings and resources for your role, updating your personal contact information, managing your chapter’s roster and submitting any required documentation and information.

Depending on your role with Sigma Delta Tau, you will have access to the following features, resources and forms within the SDT Portal:

  • Access Greekbill and Plaid’s Learning Management System
  • Manage your chapter member and officer leadership rosters
  • Submit Chapter Forms, including but not limited to academic reports, financial statements and recruitment statistics
  • Register for national programs and events
  • View and pay invoices
  • Place orders for badges and chapter supplies

To access the SDT Portal, visit