


Employees at Apple rank Timothy Cook in the Top 20% of CEOs in San Francisco. Comparatively, employees at BlackBerry rank John Chen in the Top 50% of CEOs in Waterloo, IA. Employees rate their CEO differently based on the frequency of interaction, ability to affect company culture, and drive measurable results.

Women at Apple rated their CEO an A+

Women at BlackBerry rated their CEO an A+

Diverse Employees at Apple rated their CEO an A

Diverse Employees at BlackBerry rated their CEO a B-




At Apple, employees in the Customer Success department rate Timothy Cook the highest. According to employees, Timothy Cook's ability to drive business results is Good. At BlackBerry, the Engineering department's employees rate their CEO highest. And, 50% of BlackBerry's employees approve of their CEO's management style.