


Employees at Amgen rank Robert Bradway in the Top 20% of CEOs in Los Angeles. Comparatively, employees at Gilead Sciences rank Daniel O’Day in the Top 50% of similar sized companies. Employees rate their CEO differently based on the frequency of interaction, ability to affect company culture, and drive measurable results.

Women at Amgen rated their CEO a C+

Women at Gilead Sciences rated their CEO a B

Diverse Employees at Amgen rated their CEO a D+

Diverse Employees at Gilead Sciences rated their CEO a B



At Amgen, employees in the Design department rate Robert Bradway the highest. According to employees, Robert Bradway's ability to drive business results is Average. At Gilead Sciences, the Engineering department's employees rate their CEO highest. And, 67% of Gilead Sciences' employees approve of their CEO's management style.