Erin Niimi Longhurst
Erin Niimi Longhurst is recognized in the AdTech industry for her work at the intersection of publisher monetization, privacy-compliant targeting, and programmatic strategy. At Permutive, she leads commercial strategy and publisher partnerships, helping major media owners and broadcasters build sustainable, first-party data-driven advertising businesses that do not rely on third-party cookies. Her work is particularly significant as the industry navigates the deprecation of legacy identity infrastructure and the rise of privacy regulation globally. Niimi Longhurst has built a reputation as a thoughtful operator who bridges the gap between technical data capabilities and commercial outcomes for publishers. She works closely with Permutive's publisher clients to develop cohort-based audience targeting strategies that satisfy both advertiser demand and regulatory requirements under frameworks such as GDPR and the UK's data protection regime. Her role requires deep fluency in programmatic buying mechanics, identity resolution approaches, and the evolving standards landscape around consent and data activation. Beyond her commercial role, she is also known publicly as an author, having written about Japanese culture and wellbeing, which gives her a distinctive profile that spans both the media-tech world and broader cultural commentary. Within AdTech specifically, she is regarded as a credible voice on publisher data strategy and the commercial viability of privacy-first approaches to audience monetization.
Last updated Jul 10, 2026 by ATDb automated enrichment · Connections updated Jul 13, 2026
- Years in industry
- 8 years
Bio
Erin Niimi Longhurst is recognized in the AdTech industry for her work at the intersection of publisher monetization, privacy-compliant targeting, and programmatic strategy. At Permutive, she leads commercial strategy and publisher partnerships, helping major media owners and broadcasters build sustainable, first-party data-driven advertising businesses that do not rely on third-party cookies. Her work is particularly significant as the industry navigates the deprecation of legacy identity infrastructure and the rise of privacy regulation globally. Niimi Longhurst has built a reputation as a thoughtful operator who bridges the gap between technical data capabilities and commercial outcomes for publishers. She works closely with Permutive's publisher clients to develop cohort-based audience targeting strategies that satisfy both advertiser demand and regulatory requirements under frameworks such as GDPR and the UK's data protection regime. Her role requires deep fluency in programmatic buying mechanics, identity resolution approaches, and the evolving standards landscape around consent and data activation. Beyond her commercial role, she is also known publicly as an author, having written about Japanese culture and wellbeing, which gives her a distinctive profile that spans both the media-tech world and broader cultural commentary. Within AdTech specifically, she is regarded as a credible voice on publisher data strategy and the commercial viability of privacy-first approaches to audience monetization.
Career
Commercial roles in media and publishing
Various · Prior to Permutive
Expertise & education
Expertise
Speaking topics
Recognition
Notable achievements
- Led commercial partnerships at Permutive helping major publishers and broadcasters transition to first-party data monetization strategies ahead of third-party cookie deprecation
- Published author on Japanese culture and wellbeing, bringing a distinctive cross-disciplinary public profile to her AdTech leadership role
Publications
- Japonisme: Ikigai, Forest Bathing, Wabi-sabi and more (author, non-AdTech)