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Sian Cummings

Vice President, Viavi Global Marketing at Viavi Solutions

Sian Cummings is an accomplished marketing and communications professional with extensive experience in leadership roles across various industries. Currently serving as Vice President of Global Marketing at VIAVI Solutions since December 2022, Sian drives the marketing vision and strategy for the company. Previous roles include Vice President of Corporate Marketing and Communications at Advanced Energy, where responsibilities encompassed strategy development and implementation across multiple marketing areas. Sian's experience also includes heading communications at Infineon Technologies, directing corporate and marketing communications, and managing significant M&A communications. Early career highlights include positions at International Rectifier, Lloyds TSB Asset Finance, and Quadrant Public Relations, focusing on corporate communications, marketing strategy, and crisis management. Sian holds a Master of Science in Marketing from the University of Glamorgan and a Post Graduate Diploma in Marketing from the University of Wales, Newport.

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