Vontobel Holding AG announced that it has hired new executives in New York and Zurich. The hires include portfolio manager Marc van Heems, who has joined from Lombard Odier Investment Managers. van Heems is to be based in Zurich. The firm also hired Pamela Gelles as a senior credit analyst covering developed market corporate bonds, Jean-Michel Manry as head of fixed income trading and Nicolas Hauser as a fixed income trader.