Managing Partner
Monnikevenne 62 1141 RL Monnickendam
+31 6 26 16 06 38
lb@challengelearning.com
Managing Partner & Founder
797 Rue de la Faucille, 01173 Gex
+33 4 50 42 32 43
mao@challengelearning.com
Managing Partner
Birkenweg 1 92253 Schnaittenbach
+49 96 22 71 86 40
mg@challengelearning.com
Managing Partner & Founder
6386 Warriors run, Littleton, CO 80125
+1 303 932 8565
bd@challengelearning.com
Managing Partner
Via Pateras 21, 00153 Roma
+39 33 85 07 34 39
+39 33 58 25 50 18
gr@challengelearning.com; dw@challengelearning.com
Managing Partner
70 Central Road Avalon Beach NSW 2107, 2107 Sydney
+61 452 406 319
sc@challengelearning.com