Interesting opportunities can catch us by surprise. ThinkMedium’s founder, Dennis Buchheim, has joined Snowflake, leading adtech/martech, media, and entertainment GTM. With this news, ThinkMedium is “on hiatus” — and its inaugural team is beyond grateful to everyone who enabled our success. Please reach out to Dennis via LinkedIn or ThinkMedium email to be connected with consultants who can help you (or to discuss Snowflake!). And watch for ThinkMedium part 2 down the road… Thank you!

ThinkMedium supports advertising and media companies of all sizes with advisory services that help them shift strategies, plans, and practices to address key market forces and drivers of a healthy ecosystem: privacy, brand and consumer safety, and business and ecological efficiency. 

Founded by industry veteran, Dennis Buchheim (bio below), ThinkMedium assembles a team of relevant industry experts to meet the critical and bespoke needs of each client.

Dennis Buchheim

CEO & Founder

Dennis founded ThinkMedium to pursue his ongoing mission to ensure digital content and services remain freely accessible. He is a collaborative, product-oriented leader who has built and managed teams to define, launch, and manage large-scale products/programs in digital advertising and beyond.

In his 20+ years in advertising technology, Dennis has led teams that pioneered transitioning from reserved, managed-service to programmatic models, via in-house product development (demand-side platforms, ad exchanges, targeting and identity platforms, and more) and partnerships (e.g., the 2010 Microsoft-AppNexus deal). He has also long advocated responsible, transparent, and sustainable data-driven advertising, speaking globally at industry events, most recently with a focus on privacy. Career overview:

  • VP at Meta, recruited to engage the ads ecosystem on privacy, measurement, and safety, with scope later expanded to data science and program management for Meta’s business products
  • CEO of IAB Tech Lab, the digital advertising technical standards body
  • Ad tech product/business leadership roles at Yahoo and Microsoft
  • Early career in product and engineering roles at iHarvest (Pinterest predecessor he co-founded), Actioneer, Oracle, Apple
  • Computer science and business economics degrees from Brown University

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