Vlad Shmunis is an American entrepreneur and the founder, chairman, and CEO of RingCentral, a leading provider of cloud-based communications and collaboration solutions. Born in Odesa, Ukraine, Shmunis immigrated to the United States in the 1970s and later earned both bachelor’s and master’s degrees in computer science from San Francisco State University.Before founding RingCentral in 1999, Shmunis launched Ring Zero Systems, an enterprise software company whose products were shipped globally through partnerships with major PC manufacturers. He sold Ring Zero to Motorola before focusing on cloud communications.Under Shmunis’s leadership, RingCentral has grown from a startup to a publicly traded company with over $2 billion in revenue, serving hundreds of thousands of customers and millions of users worldwide. Known for his visionary approach, Shmunis has expanded RingCentral’s portfolio to include AI-powered solutions for messaging, video, hybrid events, and contact centers.Shmunis’s leadership is characterized by a relentless pursuit of innovation, a commitment to secure and reliable communications, and a passion for empowering businesses of all sizes. His journey from immigrant engineer to billionaire tech CEO exemplifies the power of entrepreneurship and technological vision.

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