Francis Bries : francis@challenger-ideas.be

Alain Mahieu : alain@challenger-ideas.be

Luc Casterman : luc@challenger-ideas.be

Eric Mertens : eric@challenger-ideas.be

Challenger Consult sprl/bvba

Rue Coleau, 46 • B-1410 Waterloo

tel : +32 496 590 570

fax. : +32 2 354 01 18

TVA: BE 0424.400.437 BTW

IBAN: BE43 310038005801

BIC: BBRUBEBB