General business Strategy coaching. In 2009 Joëlle co-founded Improve Digital, a global media trading platform trading over 10 bln of media units per month in real time. Improve Digital was sold to Swisscom in 2016. The company then employed over 250 people of whom half developers. Improve Digital has offices in 5 countries. Joëlle also co-founded social enterprise InspiringFifty, a network of high profile females in tech with the aim to increase diversity in tech. Next to these ventures, Joëlle is member of company (advisory) boards, a mentor for various start-ups and an active investor.