Dr. Heinz Peter Wallner

Führungskräftetrainer, Berater, Lektor und Sachbuchautor
4.44 (165 reviews)
3
active courses
0
removed courses
Feb 2020
first content date
Mar 2025
last content date
Dr. Heinz Peter Wallner
1185
total students
165
total reviews
4.44
average rating
15
total content length
Courses

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