Lazard Ltd.

The move follows the firm’s announcement of a push into capital services, a group led by former JPMorgan banker Tim Donahue.

Haass will be a senior counselor at the bank’s New York office.

Reata received FDA approval in February for Skyclarys, the first approved treatment for Friedreich’s ataxia, a disease that causes impaired walking and coordination in children.

Lazard is betting that a boom in companies raising money for private debt vehicles will help fill the void left by banks with constrained lending capacity.

The managing director was terminated after an investigation into actions that were seen as incompatible with the firm’s values.