Chi Delta Theta was officially established at the University of California at Santa Barbara on October 13th, 1989. Miss Alison Suto Stripling and Miss Joanne Yamaoka along with seventeen founding mothers formed the Alpha Chapter of Chi Delta Theta, the first Asian-American interest sorority on the University of California, Santa Barbara campus.

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     The Beta Chapter of Chi Delta Theta was officially founded on February 3rd, 1992 with ten founding members at the California Polytechnic State University at San Luis Obispo. As with UCSB, Beta Chapter was the first Asian-American interest sorority on the Cal Poly campus. 

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     Three women at Loyola Marymount University were initiated into Chi Delta Theta on February 1st, 1997. Through their hard work, dedication, and love, they became the Gamma Chapter of Chi Delta Theta.

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     Thirteen ladies from the California State University at Long Beach were initiated into the sorority on February 28th, 1998. With their direct sense of determination and a continuing love for Chi Delta Theta, California State University Long Beach became the Delta Chapter.  

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      On February 20, 1999, seven young women from the University of California at Davis, were initiated into Chi Delta Theta and became the Epsilon Chapter. With this founding class, our sorority finally made its way to Northern California.

      

On May 23rd, 2008,  ten ladies from the University of California at Los Angeles were initiated into the sorority. Along with high spirits and commitment to the sisterhood, they worked hard to establish the Zeta Chapter of Chi Delta Theta.

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Four women expanded Chi Delta Theta to California State University at Northridge on June 23rd, 2016, forming the Eta Chapter of Chi Delta Theta.

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The sisterhood continues to grow as seven women from the University of California, San Diego established the Theta Chapter of Chi Delta Theta on April 23, 2022. 

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