Center for Applied Rationality
The Center for Applied Rationality (CFAR) is a nonprofit organization based in Berkeley, California, that hosts workshops on rationality and cognitive bias. It was founded in 2012 by Julia Galef, Anna Salamon, Michael Smith and Andrew Critch, to improve participants' rationality using "a set of techniques from math and decision theory for forming your beliefs about the world as accurately as possible".
Source: Wikipedia — Center for Applied Rationality (CC BY-SA 4.0)