


Employees at Gilead Sciences rank Daniel O’Day in the Top 50% of similar sized companies. Comparatively, employees at Pharmacyclics rank their CEO in the Bottom 25% 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 Gilead Sciences rated their CEO a B

Not Enough Data

Diverse Employees at Gilead Sciences rated their CEO a B

Diverse Employees at Pharmacyclics rated their CEO a D-

Not Enough Data


Not Enough Data
At Gilead Sciences, employees in the Engineering department rate Daniel O’Day the highest. According to employees, Daniel O’Day's ability to drive business results is Good.