is the founder and director of Text to Change (TTC). Back in 2006,
while working as a banker, he was inspired by the growth of mobile technology
in Africa from which he discovered the potential of using mobile technology for
health education. He co-founded Text to Change with two colleagues with whom
he implemented the fi rst mHealth project in 2008. Since then, Bas has been
heading the TTC Africa offi ce from Kampala, Uganda. TTC has led th

is the partnership director of the Text to Change Foundation
(TTC). In 2007 Hajo co-founded TTC with two colleagues and started with an offi ce
in Uganda and the Netherlands. TTC has since then executed more than twenty
successful mHealth programs targeting 3,000,000 mobile phone users with health
sensitization messages in Uganda, Kenya, Tanzania and Namibia and is expanding
to fi fteen countries in Africa and South-America. Hajo is the co-a