


Employees at Collective Health rank Ali Diab in the Top 5% of CEOs in San Francisco. Similarly, employees at League rank Michael Serbinis in the Top 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 Collective Health rated their CEO an A+

Women at League rated their CEO an A+

Diverse Employees at Collective Health rated their CEO an A+

Diverse Employees at League rated their CEO an A+


Not Enough Data

At Collective Health, employees in the HR department rate Ali Diab the highest. At League, the Sales department's employees rate their CEO highest. And, 100% of League's employees approve of their CEO's management style.