David Sierk is a customer growth and retention strategist currently serving as a Global Marketing Manager for Ad Platforms at Apple. With extensive experience in email strategy and analytics from previous roles at Dell and Google, David played a pivotal role in managing multimillion-dollar marketing programs, driving significant revenue growth through data-driven strategies. David holds a BA in History from The University of the South and completed the Google Marketing Academy at The Wharton School in 2016.
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