Heidi studied for a diploma in Biology at the FU Berlin in Germany, an MSc in Life Sciences at the Weizmann Institute in Israel, and a PhD in neutrophil signalling in France. She did two post docs and had a tenure track position on PI3K targets and P-Rex family Rac-GEFs at Babraham before becoming a group leader in Rac-GEF signalling at the Institute in 2008.