Skip to main content

- Sign up here for our monthly newsletter, news and updates
  
  * indicates required
  
  Email Address *

Sign up here for our monthly newsletter, news and updates

* indicates required

Email Address *

Find us on

About Pan Macmillan
Macmillan Code of Conduct
Macmillan Code of Ethics for Business Partners
Pan Macmillan Accessibility Statement

Contact Us
Catalogues
Careers
Buy
Activity Sheets

Pan Macmillan Australia
Pan Macmillan South Africa
Pan Macmillan UK
Macmillan US

Pan Macmillan India Imprints
Pan Macmillan UK Imprints
Macmillan USA Imprints

Privacy Policy
Terms and Conditions
© 2026 Pan Macmillan India

Home
Authors & Illustrators
Holger Rathgeber

Holger Rathgeber

Holger Rathgeber is a former Fortune 500 company executive. He has his own consulting practice, Team Rathgeber. His co-authored books with John Kotter include Our Iceberg Is Melting and That's Not How We Do It Here.

Books by Holger Rathgeber

Book cover for Our Iceberg Is Melting — Our Iceberg Is Melting