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The main email address is:  coordination@thierryschool.be  

Your email will be channelled to the appropriate person or unit. 


For purely administrative matters  directorate@thierryschool.be




THIERRY info-desk, in Belgium:    +32 8 649 94 94      (local: 086 49 94 94)




Skype teleconferences are on appointment only (to be requested by email). 


Special notice: all requests for application for admission are processed only by INSIL and THIERRY. We do not call upon nor use any of the services that are offered by student-recruitment agencies or educational intermediaries. 


SITES   (note: some courses are offered at other locations than those listed below)  


in BELGIUM    The THIERRY Graduate School for Leadership


At the THIERRY eco-campus and House host the school's online programs unit, the DR Leadership bespoke programs and Leudance Research units, the THIERRY library, and in-residence courses. 


Location: south-eastern Belgium (Ardennes).  

travel guidance      ext. link: map region at large


Through its management body organisation the school has an ancillary contact desk in Brussels, at the Square de Meeus (near the EU institutions). 





For safety and security reasons visits and meetings are held on appointment only

in FRANCE    International Higher Institute for Leadership INSIL


INSIL supervises the academic aspects for all of the curricular programs offered at/by THIERRY and i2LN, and also manages the CLEAR-CREAL center for leadership resources.


Email: info@insil.fr  INSIL website 


INSIL International Higher Institute for Leadership

Institut Supérieur International de Leadership 

Administration Office, at 33 rue Dubois Crancé, 

08000 Charleville-Mezieres, France


Phone: +33 3 24 52 67 98 (locally: 03 24 52 67 98)

ext. link: on a map (city-region overview)


In France, at Charleville-Mezieres. The  INSIL Administration Office is at 700 m. from the Place Ducale shown above. *


* address change: until dec. 2015 the office was located at 1bis Rue de l'Eglise  


i2LN    symbolically based on the entire planet Earth


The Environmental Leadership masters program, co-hosted by THIERRY and INSIL and embodied by  i2LN - The Icare Institute for Leadership and Nature   

i2NL website 




for HAITI      INSIL-THIERRY for Haiti partnership


For the THIERRY-programs that are offered by INSIL for participants in Haiti (Leadership Programs for Haiti)  INSIL-THIERRY for Haiti website




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© Copyright 2016, The Thierry Graduate School of Leadership, Belgium, Europe; and on behalf of International Higher Institute for Leadership INSIL Institut Supérieur International de Leadership, France. All rights reserved for all countries Europe and worldwide. Page update: 2016-10-03