Loch Rose
Loch Rose is a senior data science and analytics executive best known for his long-tenured leadership at Epsilon, where he serves as Chief Analytics Officer. In this role, he oversees the company's analytics and data science capabilities, including identity resolution, audience modeling, and measurement frameworks that underpin Epsilon's CORE ID and broader people-based marketing offerings. His work sits at the intersection of data strategy and marketing effectiveness, helping brands navigate the increasingly complex landscape of consumer identity in a privacy-first era. Rose has spent the bulk of his career at Epsilon, making him one of the more deeply embedded analytics leaders in the data-driven marketing space. His tenure has spanned significant industry shifts, including the rise of programmatic advertising, the deprecation of third-party cookies, and the growing importance of first-party data strategies. He has been instrumental in positioning Epsilon's analytics products as enterprise-grade solutions for Fortune 500 brands seeking deterministic identity and cross-channel measurement. As part of Publicis Groupe's broader data and technology ecosystem, Rose contributes to initiatives that connect Epsilon's capabilities with Publicis's global agency network. He is recognized within the industry for his expertise in applied data science for marketing, loyalty analytics, and the technical underpinnings of identity graphs. He occasionally represents Epsilon at industry events and in thought leadership contexts focused on data ethics, measurement, and the future of addressable advertising.
Last updated Jun 6, 2026 by the ATDb Editorial Team
- Years in industry
- 20 years
Bio
Loch Rose is a senior data science and analytics executive best known for his long-tenured leadership at Epsilon, where he serves as Chief Analytics Officer. In this role, he oversees the company's analytics and data science capabilities, including identity resolution, audience modeling, and measurement frameworks that underpin Epsilon's CORE ID and broader people-based marketing offerings. His work sits at the intersection of data strategy and marketing effectiveness, helping brands navigate the increasingly complex landscape of consumer identity in a privacy-first era. Rose has spent the bulk of his career at Epsilon, making him one of the more deeply embedded analytics leaders in the data-driven marketing space. His tenure has spanned significant industry shifts, including the rise of programmatic advertising, the deprecation of third-party cookies, and the growing importance of first-party data strategies. He has been instrumental in positioning Epsilon's analytics products as enterprise-grade solutions for Fortune 500 brands seeking deterministic identity and cross-channel measurement. As part of Publicis Groupe's broader data and technology ecosystem, Rose contributes to initiatives that connect Epsilon's capabilities with Publicis's global agency network. He is recognized within the industry for his expertise in applied data science for marketing, loyalty analytics, and the technical underpinnings of identity graphs. He occasionally represents Epsilon at industry events and in thought leadership contexts focused on data ethics, measurement, and the future of addressable advertising.
Career
Senior Vice President, Analytics
Epsilon · prior to CAO appointment
Analytics Leadership Role
Epsilon · early 2000s-present
Expertise & education
Expertise
Speaking topics
Recognition
Notable achievements
- Led analytics strategy behind Epsilon's CORE ID, one of the industry's largest people-based identity graphs
- Guided Epsilon's data science capabilities through the transition away from third-party cookie dependence
- Helped position Epsilon as a leading data-driven marketing platform following its acquisition by Publicis Groupe