Uber disclosed the terminations on Tuesday at a staff meeting at its San Francisco headquarters, according to an employee who attended the event but was not authorized to speak publicly about the matter.
The company did not name the people who were fired, but some were senior executives, the employee said.
Other employees have since reported systemic issues in the company, saying that a premium was placed on workers who delivered strong performance and aggressive growth, and that their behavioral transgressions were often overlooked.
Holder’s report has been delivered to Uber’s board, and the company plans to make some of it public next week, as well as to discuss the findings with employees.
Bobbie Wilson, a partner at Perkins Coie, said the firm was focused on “specific” allegations raised from a hotline that Uber set up so employees could send information in confidence.