grew up on the south side of Rotterdam. He knows this area and the developments that took place there like no other. After Ewald finished his studies in the catering business, he started being an entrepreneur. He specialized in mediation of art projects and the stimulation of enterpreneurship among artists. He collaborated with a variety of commercial and governmental organizations like Honda Nederland, Wyett, the ministry of Trafic and Water, the ministry of Security and Justice and DSM.

With his own company Fresh Fruit Bar he started the collaboration with the Lava Legato foundation. This resulted in Rotterdam fruit preserve.