Rainer Kiefer holds a Master of International Studies in Sport Sciences and is a member of the Association for Sport Psychology in the Federal Republic of Germany (ASP e.V.). He is a sport psychology consultant at the Olympic Training Center Freiburg.

His very special references include the SBW Biathlon National Squad, Nordic Combined athletes, Tug of War National Team, Wrestling National Squad athletes and the Ladies Curling National Team. He is a DSV Ski Instructor & DSV A-Trainer Performance Sport Ski Nordic and is the head of the teaching team cross-country skiing in the Ski Association Black Forest.

In addition, he is a lecturer at the University of Constance for mountain sports and at the Karlsruhe Institute of Technology lecturer for sports psychology.

At the German Sports Association for the Disabled, he leads the project for the Nordic training plan concept.

He draws his deep experience as an experiential educator, speaker and workshop leader from more than 10 years with many hundreds of trainings with groups and teams.