Team Bios

Meet the leaders

It is our people that make the difference. Call One’s executive leadership team brings deep experience in diverse disciplines.

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Founder

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Chief Executive Officer

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Chief Financial Officer

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Executive Vice President, Sales & Marketing

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Geneva Gross

Vice President of Customer Experience

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Vice President of Customer Solutions

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Vice President of Business Development

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Vice President of Channel Sales

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Director of Marketing & Communications

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Margie Greenbaum

Director of Carrier Relations

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Director of Information Technology

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Anna Klemm

Director of Margin Improvement

justin-smith

Director of Core Network Engineering

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Alex Sondgerath

Director of Account Management

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Kristin Syoen, PHR

Director of Human Resources