Data Science Institute
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Dennis Buchheim

Brown University ‘92, Founder/CEO of ThinkMedium, DSI External Advisory Committee Member

Biography

Dennis Buchheim was most recently VP and Global Head of Media, Entertainment, and Adtech/Martech at Snowflake. He brings over two decades of leadership as a product-oriented executive at the intersection of digital advertising, media, and data technology.  

Prior to joining Snowflake, Dennis founded and led the advisory firm ThinkMedium, partnering with clients to modernize their strategies, plans, and practices around privacy, data, consumer safety, and operational efficiency; he has resumed advisory roles via ThinkMedium. His leadership career in digital media includes serving as a Vice President at Meta and as Chief Executive Officer of the IAB Tech Lab, where he spearheaded global technical standards for the digital advertising industry. Earlier in his executive tenure, Dennis held key leadership positions at Yahoo and Microsoft.

Before transitioning into the digital advertising ecosystem, Dennis held engineering and product roles at tech pioneers Apple and Oracle. He was also an early entrepreneur, serving in leadership roles at Actioneer and co-founding iHarvest—a web-content saving tool that served as a precursor to Pinterest.  

Dennis earned dual degrees in Computer Science and Business Economics from Brown University.