OAC meaning in Academic & Science ?

The Ayn Rand Institute: The Center for the Advancement of Objectivism, commonly known as the Ayn Rand Institute (ARI), is a 501(c)(3) nonprofit think tank in Santa Ana, California, that promotes Objectivism, the philosophy developed by Ayn Rand. Its stated goal is to "spearhead a cultural renaissance that will reverse the anti-reason, anti-individualism, anti-freedom, anti-capitalist trends in today's culture". The organization was established in 1985, three years after Rand's death, by Ed Snider and Leonard Peikoff, Rand's legal heir.

ARI has several educational and outreach programs, which include providing intellectuals for public appearances, supporting Objectivist campus clubs, supplying Rand's writings to schools and professors, assisting overseas Objectivist institutions, organizing annual conferences and running the Objectivist Academic Center.