Carl Russo
President and Chief Executive Officer
Roger Weingarth
Executive Vice President and Chief Operating Officer
Andy Lockhart
Senior Vice President, International Sales and Marketing
John Colvin
Senior Vice President, North American Sales and Marketing
Mark Dressler
Vice President, Major Account Sales
Nathan Harrell
Vice President, National Account Sales
Ken Grelck
Vice President Regional Sales, East and Canada
Skip Hirvela
Vice President Regional Sales, West
David Seda
Vice President, Field Marketing
Omar Ramadan
Vice President, Global Customer Services
Michael Ashby
Executive Vice President and Chief Financial Officer
Kevin Pope
Senior Vice President, Product Development
Todd Ortberg
Senior Vice President, Business and Market Development
Tony Banta
Senior Vice President, Global Manufacturing and Supply
Mehdi Bradaran
Vice President, Product and China Operations
Robert Balsamo
Vice President, Product Strategy
Miguel Alonso
Vice President, Software Products
Jill Von Berg
Vice President, Information Technology
Tish Rutledge
Vice President, Talent and Culture
Michael Ashby
Executive Vice President and Chief Financial Officer
Michael Matthews
Chief Corporate Development Officer for AGT International GMBH
Carl Russo
President and Chief Executive Officer
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Roger Weingarth, Executive Vice President and Chief Operating Officer
Roger is executive vice president and COO for Calix. In this role, Roger leads all product, field, and manufacturing operations. Roger has over 27 years of experience in the networking and telecommunications industries. Prior to joining Calix in March, 2003, Roger was president and CEO at Arista Networks, a developer of wavelength management solutions for optical core networks. Before Arista, Roger was president and COO at Optical Solutions, where he successfully grew the organization to meet the demands of the emerging FTTP market. Roger has held senior management roles in operations and quality assurance with Centron, Switched Network Technologies, and Network Systems Corporation. In addition, Roger has held various management positions within ATT/NCR Corporation. Roger holds a BA from Bethel College and an MBA from the University of Minnesota. He is also certified by the American Production and Inventory Control Society in production and inventory management.
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