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Mark Elwood

Thought Leader

Mark Elwood is a senior strategy leader at Leo Burnett UK, where he has been instrumental in shaping how the agency approaches brand planning, audience intelligence, and the integration of data into creative strategy. His work sits at the intersection of traditional brand thinking and modern media dynamics, making him a notable voice in discussions around how advertising effectiveness is measured and optimised in a fragmented media environment. Throughout his career, Elwood has built a reputation for translating complex consumer and data insights into actionable creative briefs and campaign strategies. His tenure at Leo Burnett UK has seen him work across a range of major brand clients, applying strategic frameworks that account for the growing role of programmatic and addressable media in reaching audiences at scale. Elwood is regarded within the UK advertising community as a thoughtful practitioner who bridges the gap between creative agencies and the increasingly technical demands of modern AdTech infrastructure. While not exclusively an AdTech specialist, his influence on how creative strategy adapts to data-driven media buying and audience segmentation has made him a relevant figure in broader industry conversations.

Last updated Jun 24, 2026 by ATDb automated enrichment · Connections updated Jun 29, 2026

Role
Chief Strategy Officer
Based
London, United Kingdom
Connections
1
Years in industry
15 years

Bio

Mark Elwood is a senior strategy leader at Leo Burnett UK, where he has been instrumental in shaping how the agency approaches brand planning, audience intelligence, and the integration of data into creative strategy. His work sits at the intersection of traditional brand thinking and modern media dynamics, making him a notable voice in discussions around how advertising effectiveness is measured and optimised in a fragmented media environment. Throughout his career, Elwood has built a reputation for translating complex consumer and data insights into actionable creative briefs and campaign strategies. His tenure at Leo Burnett UK has seen him work across a range of major brand clients, applying strategic frameworks that account for the growing role of programmatic and addressable media in reaching audiences at scale. Elwood is regarded within the UK advertising community as a thoughtful practitioner who bridges the gap between creative agencies and the increasingly technical demands of modern AdTech infrastructure. While not exclusively an AdTech specialist, his influence on how creative strategy adapts to data-driven media buying and audience segmentation has made him a relevant figure in broader industry conversations.

Career

  • Strategy Director

    Leo Burnett UK · prior to CSO role

  • Senior Strategist

    Leo Burnett UK · unknown

Expertise & education

Expertise

Brand StrategyCreative StrategyAudience IntelligenceData-Driven AdvertisingProgrammatic AdvertisingMedia PlanningAdvertising EffectivenessConsumer Insights

Speaking topics

Brand strategy in a data-driven media landscapeCreative effectiveness and measurementAudience intelligence and targeting

Recognition

Notable achievements

  • Led strategic output for major brand campaigns at Leo Burnett UK across multiple sectors
  • Contributed to agency thinking on how creative strategy adapts to data-driven and programmatic media
Connection details