Rendu de Lint succeeds Vontobel CEO Zeno Staub, who was also supervising the management of the firm's investment arm. She has also been a member of Vontobel's executive committee. In May 2021, she joined the firm as deputy head of investments.

Before joining Vontobel, Rendu de Lint worked at Union Bancaire Privée (UBP) and Pictet as a portfolio manager. She entered the financial industry in 2000 by joining Morgan Stanley in London as senior economist in the firm's sell-side equity research division. In November last year, Vontobel announced the appointment of Peter Romanzina as CEO of its offshore unit Vontobel Swiss Wealth Advisors (VSWA).