Helmar Rudolph

Helmar Rudolph, born in 1966 in Lüchow/Wendland, has been living in Cape Town, South Africa, since 1993. There, he worked for many years as a consultant in the fields of customer relationship management and database marketing.

Having been active on the internet for more than 30 years, he helped companies gain a foothold in the German-speaking market. To this end, he developed “Diamond CRM,” a model for holistic business transformation. In the field of CRM, he gained an international reputation as a pioneer and thought leader. His articles were published worldwide, both online and in print.

In 2007, he published the first German translation of Charles Haanel’s The Master Key System and earned worldwide recognition as “Mr. Master Key.”

Now an internationally recognized cardologist, he released the mobile app Sacred Symbols Life Rhythm Tracker in 2025, followed a year later by a web app.