


Employees at DialogTech rank Irv Shapiro in the Top 40% of CEOs in Chicago. Comparatively, employees at RingCentral rank Vladimir Shmunis in the Top 5% of CEOs in San Francisco. Employees rate their CEO differently based on the frequency of interaction, ability to affect company culture, and drive measurable results.

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Women at RingCentral rated their CEO an A+

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Diverse Employees at RingCentral rated their CEO an A+


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