" Stichting Opstap and its founder René Hartman are not interested in just sending money from afar, but instead, take a keen interest in every aspect of the programme and also, in the people that run it. - Adrienne Feldner-Busztin, country manager Orange Babies South-Africa "
" Our experience of René Hartman is that he is innovative and has a very clear understanding of what is critical to the sustainability of a project as well as a deep commitment to making it happen. - Adrienne Feldner-Busztin, country manager Orange Babies South-Africa "
" It is an absolute pleasure for all of us to partner with René Hartman and Stichting Opstap and the Foundation has a very special place in all of our hearts. - Orange Babies South-Africa "
" Seeing the board members of Stichting Opstap who went all over to get the funds for the projects getting down to the community and rendering services was very motivating to the team and the Department of health. - Ntemby Mbambabzela, project leader MHU "