Executive Team

Recognized Leaders in Telecom and Data Networking

The world's largest telecommunications vendor focused solely on access, Calix offers a Unified Access portfolio of broadband communications access systems and software that enables communications service providers worldwide to transform their networks and businesses to become the broadband provider of choice to their subscribers. To foster this vision, Calix has assembled a world-class senior management team from a broad variety of successful telecom and data networking companies.

Carl Russo
President and Chief Executive Officer

Tony Banta
Senior Vice President, Manufacturing Operations

Mimi Gigoux
Senior Vice President, Talent and Culture

Todd Ortberg
Senior Vice President, Business Development

Miguel Alonso
Vice President, Software Products

Mehdi Bradaran
Vice President, Systems Hardware Development

Nathan Harrell
Vice President, National Account Sales

Skip Hirvela
Vice President Regional Sales, U.S.

Omar Ramadan
Vice President, Customer Services

Jill Von Berg
Vice President, Information Technology


William Atkins
Executive Vice President and Chief Financial Officer

John Colvin
Senior Vice President, North American Sales

Andy Lockhart
Senior Vice President, International Sales

Kevin Pope
Senior Vice President, Systems Software Development

Robert Balsamo
Vice President, Product Strategy

Mark Dressler
Vice President, Major Account Sales

Eoin Heaney
Vice President, Partners

Michael Horn
Vice President, Strategic Alliances

David Seda
Vice President, Marketing

Denis Quinlan
General Counsel


Industry Leaders With a Mix of Operating, Venture Investing, and Financial Experience

Guiding the first 21st century telecommunications equipment supplier, Calix is led by a board of directors with a unique mix of operating, investing and financial experience.

Don Listwin

Christopher J. Bowick

Kevin DeNuccio

Michael Everett

Michael Flynn


Adam Grosser

Michael Matthews

Thomas Pardun

Carl Russo
President and Chief Executive Officer

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