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Holger Rathgeber

Book

Our Iceberg Is Melting

Changing and Succeeding Under Any Conditions
John Kotter and Holger Rathgeber
Portfolio, 2016
7 Book

That’s Not How We Do It Here!

A Story About How Organizations Rise and Fall – and Can Rise Again
John Kotter and Holger Rathgeber
Portfolio, 2016