Fonseca later did the Global Solutions Program at Singularity University and specialised in Artificial Intelligence.
In 2016 Fonseca was featured in the Forbes 30 Under 30 list under the enterprise technology category and in 2017 she became an Agenda Contributor to the World Economic Forum .
In 2018, Fonseca became a venture partner at Indico Capital Partners, the first Portuguese private venture capital fund investing in Portugal and Spain early-stage, tech-focused startups.