Lehman Brothers has promoted Brynn Lewis to co-head European high-grade credit trading. He has been with the firm eight months. His co-head is Peter Duenas-Brckovich.

Lewis joined Lehman Brothers last June from JP Morgan where he had worked on the flow desk since 1999. He will work with Duenas-Brckovich and report to Tarun Jotwani, co-head of fixed income.