Dr Katsioulis is an active member of the Mega East Society (later known as Mega Foundation) with a membership IQ requirement an intelligence performance at or above the 4,8th standard deviation above the mean.

The required performance is an IQ 176, sd 16, which is expected to be achieved only by 1 individual out of 1,000,000 of the unselected population.

Dr Katsioulis is an active member of the HELLIQ, Prometheus and Ultranet societies, all having as a membership IQ requirement an intelligence performance at or above the 4th standard deviation above the mean.

The required performance is an IQ 164, sd 16, which is expected to be achieved only by 1 individual out of 30,000 of the unselected population.