Siegfried Haack
As a child, Siegfried Haack failed an oral presentation. Humiliation. From this wound arises an obsession: to learn to present, always better. Thirty-five years later in sales and management, one cer…
- Spoken languages
- French, English
Siegfried Haack has two passions in life: sales and public speaking. At a young age, he experienced the painful failure of an oral presentation. From that moment on, he had only one obsession: to learn to present more effectively! During his 35 years of experience in sales and management for local, national, and international companies, both in BtoB and BtoC, he realizes that those who inspire the world are those…