Dr. Heinz Peter Wallner

Führungskräftetrainer, Berater, Lektor und Sachbuchautor
4.39 (170 reviews)
3
active courses
0
removed courses
Feb 2020
first content date
Mar 2025
last content date
Dr. Heinz Peter Wallner
1244
total students
170
total reviews
4.39
average rating
15
total content length
Courses

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