


Employees at Gilead Sciences rank Daniel O’Day in the Top 50% of similar sized companies. Comparatively, employees at Ionis Pharmaceuticals rank Stanley Crooke in the Bottom 5% 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

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Diverse Employees at Gilead Sciences rated their CEO a B

Diverse Employees at Ionis Pharmaceuticals rated their CEO a D+


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.

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