Dr. Heinz Peter Wallner

Führungskräftetrainer, Berater, Lektor und Sachbuchautor
4.47 (156 reviews)
3
active courses
0
removed courses
Feb 2020
first content date
Mar 2025
last content date
Dr. Heinz Peter Wallner
1121
total students
156
total reviews
4.47
average rating
15
total content length
Courses
Related Topics