Founded at the University of California, Irvine on March 9, 1975

Our mission is to develop Men of Principle for a Principled Life.

The Delta Sigma chapter of Beta Theta Pi is dedicated to developing Men of Principle for a principled life. Click Join Us for more information.

Beta Theta Pi's Core Values

Mutual Assistance

Betas believe that men are mutually obligated to help others in the honorable labors and aspirations of life.

Intellectual Growth

Betas are devoted to continually cultivating their minds, including high standards of academic achievement.


Betas develop absolute faith and confidence in one another by being true to themselves and others.

Responsible Conduct

Betas choose to act responsibly, weighing the consequences of their actions on themselves and those around them.


Betas preserve their character by doing what is morally right and demanding the same from their brothers.

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62524 Arroyo Dr.
Irvine, CA 92617

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Official Website of Beta Theta Pi - University of California, Irvine