Carlyle Group's economic net income has declined by 28% compared to last year, causing its share price to fall by almost 8%.
TCS managing director Dave McCabe will stay on with the combined company
Add-on shortly follows the acquisition of Italian university Accademia Italiana Arte Moda e Design
Round also saw participation from existing investors Karma Ventures, Inovo Venture Partners and Dreamit Ventures
Robinson joins from his position as principal at Cinven, where he acted as a non-executive director