Mario Staller
@mariostaller
Psychology, Conflict Management & Training, Police Education, Systems, Martial Arts & Coaching β¦ and Gamification
ID: 56955332
http://www.mariostaller.de 15-07-2009 07:28:29
474 Tweet
187 Followers
284 Following
@mariostaller
Psychology, Conflict Management & Training, Police Education, Systems, Martial Arts & Coaching β¦ and Gamification
ID: 56955332
http://www.mariostaller.de 15-07-2009 07:28:29
474 Tweet
187 Followers
284 Following