Menzli is a co-founder of Contrast Capital and former head of research at SAM Sustainable Asset Management. Mettler was previously the head of research at ALNUA Investment Managers and senior equity analyst at SAM. 

Along with the appointments, the bank also said that it has entered into a long-term mandate with Contrast Capital, which specialises in advising clients on sustainable investments.

Bank J Safra Sarasin has been developing sustainable investments for institutional and private clients for the past 20 years. A company is sustainably-managed if the production of its goods and services meets broad social acceptance (environmental, social and governance) and uses production methods with a low potential for conflict.