4 : ▁Mon ique ▁C anto - S per ber , ▁previously ▁director ▁of ▁E NS , ▁founder ▁and ▁first ▁president ▁of ▁PS L ▁▁ ▁September ▁ 2 0 1 4 ▁– ▁February ▁ 2 0 1 5 ▁( act ing ) ▁Rom ain ▁Sou bey ran , ▁director ▁of ▁M IN ES ▁Paris T ech ▁▁▁ 2 0 1 4 - 2 0 1 7 : ▁Th ier ry ▁C oul hon , ▁previously ▁director ▁of ▁the ▁Mathemat ical ▁Sciences ▁Institute ▁at ▁Australian ▁National ▁University ▁in ▁Can ber ra ▁▁ ▁June ▁– ▁October ▁ 2 0 1 7 ▁( act ing ) ▁Marc ▁Mé z ard , ▁director ▁of ▁E NS ▁▁ 2 0 1 7 ▁– ▁to ▁present : ▁A lain ▁F uchs , ▁previously ▁president ▁of ▁C N RS ▁▁ ▁M embers , ▁associ ates , ▁and ▁entities ▁ ▁PS L ▁is ▁a ▁mid - size ▁colleg iate ▁university ▁( ▁students ). ▁It ▁includes ▁ 1 1 ▁constitu ent ▁schools ▁as ▁of ▁January ▁ 2 0 2 0 : ▁ 9 ▁member ▁institutions ▁and ▁ 2 ▁associate - members , ▁with ▁plans ▁to ▁gradually ▁expand ▁to ▁include ▁some ▁or ▁all ▁of ▁the ▁other ▁associ ates . ▁Three ▁national ▁research ▁organis ations ▁( CN RS , ▁In ser m , ▁IN RI A ) ▁are ▁involved ▁in ▁govern ance ▁and ▁help ▁define ▁PS L ' s ▁strategy , ▁with ▁which ▁they ▁coordinate ▁their ▁own ▁strateg ies . ▁▁ ▁Organ ization ▁ ▁PS L ▁is ▁admin ister ed ▁by ▁a ▁Board ▁of