Novamedia was started in 1983 by Boudewijn Poelmann and his wife Annemiek Hoogenboom.
Before establishing Novamedia in 1983, he worked with DAF and Oxfam Novib (Dutch organization for international development aid).
Gramble’s cornerstone investor is Novamedia, the third-largest charity donor in the world with $7 billion in donations made (as of summer 2012), thanks in part to high-profile ambassadors such as Bill Clinton, Rafael Nadal, Nelson Mandela, and Sir Richard Branson.