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Ryan Nelsen

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Ryan Nelsen is a seasoned AdTech sales and business development professional currently operating at StackAdapt, one of the fastest-growing programmatic advertising platforms in North America. He has built a reputation for driving revenue growth and cultivating strategic agency and brand relationships within the competitive programmatic ecosystem, contributing to StackAdapt's expansion as a leading multi-channel DSP. Nelsen's career has been rooted in the programmatic and digital advertising space, with experience spanning demand-side platform sales, agency partnerships, and consultative selling to enterprise clients. His work at StackAdapt reflects a broader trend of mid-market and enterprise advertisers shifting budgets toward sophisticated programmatic solutions, and he has been instrumental in helping clients navigate that transition. His tenure in the industry reflects deep familiarity with programmatic buying, audience targeting, and the evolving identity landscape.

Last updated Oct 14, 2026 by the ATDb Editorial Team

Role
Senior Director, Sales
Company
StackAdapt
Based
Toronto, Ontario, Canada
Connections
1

AI-drafted from public sources3 sources cited

Years in industry
8 years

Bio

Ryan Nelsen is a seasoned AdTech sales and business development professional currently operating at StackAdapt, one of the fastest-growing programmatic advertising platforms in North America. He has built a reputation for driving revenue growth and cultivating strategic agency and brand relationships within the competitive programmatic ecosystem, contributing to StackAdapt's expansion as a leading multi-channel DSP. Nelsen's career has been rooted in the programmatic and digital advertising space, with experience spanning demand-side platform sales, agency partnerships, and consultative selling to enterprise clients. His work at StackAdapt reflects a broader trend of mid-market and enterprise advertisers shifting budgets toward sophisticated programmatic solutions, and he has been instrumental in helping clients navigate that transition. His tenure in the industry reflects deep familiarity with programmatic buying, audience targeting, and the evolving identity landscape.

Career

Roles with a cited source. All linked roles are in the Roles tab.

Expertise & education

Expertise

Programmatic AdvertisingDemand-Side Platforms (DSP)Agency PartnershipsMulti-Channel AdvertisingRevenue GrowthDigital Media SalesAudience TargetingAdTech Sales Strategy

Speaking topics

Programmatic advertising strategyMulti-channel campaign execution

Recognition

Notable achievements

  • Contributed to StackAdapt's growth as a top-ranked DSP in North America
  • Built and managed enterprise-level agency and brand relationships in the programmatic space
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