Dr Katsioulis is an active member of the EPIQ Society with a membership IQ requirement an intelligence performance at or above the 2,87th standard deviation above the mean.

The required performance is an IQ 146, sd 16, which is expected to be achieved only by 1 individual out of 500 of the unselected population.

Dr Evangelos Katsioulis is an active member of the Cerebrals Society with a membership IQ requirement an intelligence performance at or above the 2,73rd standard deviation above the mean.

The required performance is an IQ 144, sd 16, which is expected to be achieved only by 1 individual out of 330 of the unselected population.

Evangelos Katsioulis is an active member of the Colloquy and Poetic Genius Societies both having as a membership IQ requirement an intelligence performance at or above the 2,6th standard deviation above the mean.

The required performance is an IQ 141, sd 16, which is expected to be achieved only by 1 individual out of 200 of the unselected population.

Evangelos is an active member of the Top One Percent and Intertel Societies both with a membership IQ requirement an intelligence performance at or above the 2,33rd standard deviation above the mean.

The required performance is an IQ 137, sd 16, which is expected to be achieved only by 1 individual out of 100 of the unselected population.

Evangelos is an active member of the Mensa Greece, Mysterium, Sigma II, High Potentials and Smarts Societies all with a membership IQ requirement an intelligence performance at or above the 2nd standard deviation above the mean.

The required performance is an IQ 132, sd 16, which is expected to be achieved only by 1 individual out of 50 of the unselected population.