The sorority held its first national convention that year in New York City, where the constitution was adopted, and Fay Chertkoff, one of the founders, was elected Grand Archon.

In 1968, the separation of Hunter College's two campuses prompted the original Alpha chapter to divide.

"LITP" stands for "Love in the Pyramid," and is also used to form the basis of the Phi Sigma Sigma hand sign, where the fingers of two hands form a pyramid with a heart inside.

The original fraternity badge was a Sphinx head with sapphire eyes on a gold base, bearing the Greek letters ΦΣΣ in blue enamel.

Later, the fraternity developed a jeweled badge in the form of a gold pyramid with three sapphires in each corner, surmounted by the original Sphinxhead in the middle.

[2] The coat of arms is a Sphinx head surmounting a ribbon bearing the Greek letters ΦΣΣ, set on a shield of seven bendlets of blue and white, the whole being superimposed on a pyramid with a rose at its apex and twin scrolls bearing the legend Diokete Hupsala and the year 1913 en plaque at the base below.

Transplant Games, a national Olympics-style event where organ-donor recipients competed in various athletic competitions.

Named for Phi Sigma Sigma's twin ideals to promote the brotherhood of man and alleviate the world's pain, the fund has contributed to aid organizations in the aftermath of the 2004 Indian Ocean earthquake and tsunami and Hurricane Katrina.

The next step was to create and disseminate an RFP (Request for Proposal) to philanthropic groups.

The result was the adoption of two non-profits, Practice Makes Perfect and Kids in Need Foundation.