Advertising has moved decisively toward streaming, and few people are better positioned to explain that shift than Mark Douglas. As the chief executive of MNTN, also known as Mountain, he joined Sean Kelly on the Digital Social Hour to unpack how targeted television advertising is changing in 2025 and what it means for businesses of every size.
The conversation covers the move away from traditional cable, the rise of performance-driven connected TV, and Douglas's experience taking his company public. It is a clear-eyed look at where the industry is heading from someone helping to build that future.
About Mark Douglas
Mark Douglas is the CEO of MNTN, a performance advertising platform that helps brands run measurable, targeted ads on connected TV and streaming services. The company is built around giving advertisers the kind of precision and accountability long associated with digital channels but applied to the television screen.
Under his leadership, MNTN has positioned itself at the intersection of streaming media and direct-response marketing, opening television advertising to small and midsize businesses that were once priced out. Douglas also speaks to the experience of guiding the company through a public offering and navigating an unpredictable market.
What Mark Douglas and Sean Kelly Talked About
- How Mark Douglas sees targeted streaming TV ads reshaping marketing in 2025
- Why connected TV gives small and midsize businesses new advertising reach
- What taking MNTN public taught him about navigating an unpredictable market
- How the shift away from cable is changing where ad dollars flow
- Why measurable, performance-based advertising is moving to the TV screen
- How major streaming brands are rethinking their ad strategies
- What separates highly targeted ads from traditional broadcast spots
- Where he sees the future of streaming and television advertising heading
Why This Conversation Matters
For founders, marketers, and anyone tracking the future of media, this episode of the Digital Social Hour offers a grounded view of one of advertising's biggest transitions. Mark Douglas brings both operator and executive perspective, explaining how streaming is rewriting the rules of how brands reach their audiences.
▶ Watch the full episode on YouTube
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About Sean Kelly & the Digital Social Hour
Sean Kelly is an entrepreneur and the host of the Digital Social Hour, one of the fastest-growing interview podcasts in the world, where he sits down with entrepreneurs, athletes, creators, and cultural voices for candid, long-form conversations. The show draws over 100 million views a month across platforms. Explore more guest features on SeanKelly.io.
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