Downtown Portland and Sigma Pi CrestCascade Alumni Club

The Cascade Alumni Club is the official alumni club for all Sigma Pi Brothers living in Oregon and SW Washington. The Cascade Alumni Club regularly updates their Facebook page and will be providing multiple opportunities for alumni to reconnect and give back to the Portland community!


The OmegaPhone

The Omegaphone is the award winning newsletter publication of the Cascade Alumni Club and the Omega Chapter of Sigma Pi Fraternity.

Address updates for The Omegaphone subscriptions can be reported to Comcoa at (addresses[at]comcoa[dot]com).

mySigmaPi LogomySigmaPi

mySigmaPi, powered by OmegaFi, is Sigma Pi’s members-only portal and membership database. Every alumnus has the ability to create a mySigmaPi account. It is your lifetime access online to the Sigma Pi – a better way to be connected!

  • Find all Sigma Pi brothers
  • Find local chapters and colonies in your area
  • Find your chapter’s current contact information
  • Access Fraternity resources
  • Register for Fraternity events
  • Receive Fraternity notifications
  • Update your own Sigma Pi profile and contact information

Log on to mySigmaPi using the login box located above. If you have never registered for the mySigmaPi interface, you will need to establish access. If you have already established access in the past, you will use the username and password that you are already using.

The Emerald

The Emerald Online LogoThe Emerald, the official publication of Sigma Pi Fraternity, is published two times per year and has been in production since 1911. Be sure to visit The Emerald Online and opt-in to receive the issues of The Emerald.

Historical issues of The Emerald can be found on the Sigma Pi Digital Archive. The archive is a project of the Sigma Pi Historical Society.

The Omega Foundation

The Omega Foundation of Sigma Pi is a nonprofit organization based in Portland, OR founded to assist the undergraduates of Omega Chapter succeed financially through college by providing scholarships and loans.