Sjaak is the founder and CEO of TheSocialMedwork. He is a social innovator aiming to create a more equal and fair healthcare system that give everyone, everywhere the same choices.
Also the founder and former CEO of myTomorrows, he has further involvement in patient advocate groups such as the Abigail Alliance in Washington DC and Chicago based Cures Within Reach.
Later on Sjaak initiated the Global Manifesto for Entrepreneurial Social Impact Change. In 2011 it was signed in Amsterdam by 600 successful young entrepreneurs from all over the world as a commitment to building social impact into the DNA of their companies. Today he remains an active part of TheSocialMedwork, sharing the work floor with a team of dedicated colleagues.