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David Chang has a diverse work experience spanning multiple industries and roles. David most recently worked at Zelis as the Director of Business Intelligence and Data Architecture starting in October 2021. Prior to that, they held the same role at Sapphire Digital from June 2019 to the present. David also served as the Director, Data Architect at Sapphire Digital from August 2018 to June 2019. Before joining Sapphire Digital, David worked at Columbia University in the City of New York as the Senior Manager, Data Integration and Analytics from February 2017 to July 2018. David previously worked at Condé Nast as the Director, Business Intelligence and Data Management from March 2015 to December 2016, and as the Director, Applications & Technology from January 2001 to February 2015. Early in their career, David was the Assistant Director of Information Technology at Parade Magazine from July 1996 to January 2001, and a Senior Analyst at Information Systems of Florida from June 1993 to June 1996.

David Chang earned a Bachelor's degree in Management Information Systems from the Florida State University - College of Business, which they attended from 1991 to 1993. David later pursued a Master of Business Administration (MBA) in Information Technology from Pace University - Lubin School of Business, completing it from 1998 to 1999. In 2015, David obtained a certification in Dimensional Modeling In Depth from the Kimball Group.