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Our Phi Phi Alumni Chapter, The Sigma Chi Club of Philadelphia, works in partnership with a third-party alumni relations firm to maintain a clean database of our brothers to ensure we're reaching as many alumni as possible through our print and electronic communications.

As brothers move and change jobs, we sometimes lose touch of their current mailing and email addresses. See the link below for a snapshot of our database to date. Please take a moment to review the list of our 'lost brothers' and help us to update their contact information (or update your own if you haven't been receiving our email publications).



Our database is used solely for Phi Phi communications and will never be traded or sold.

*Total alumni: 1,991
Valid mailing addresses: 1,011
Valid email addresses: 450 (40% of living alumni)
Lost brothers (no current mailing list on file): 108
All-time annual fund donors: 462 (23% of all alumni)

*Includes 827 deceased

Click here to download the list of brothers for whom we've lost mailing addresses.