Ozone hires Harrison as Senior Director of Growth
November 3, 2025
Ozone, the digital advertising business, has announced the immediate appointment of Tom Harrison as Senior Director of Growth, a newly created role to drive platform presence and strategic partnerships – rooted in technology and data – with agency and advertiser clients.
Harrison brings 18 years of agency expertise to Ozone, mostly recently serving as Head of Outcomes, UK at Omnicom Media Group UK, with senior programmatic positions at Manning Gottlieb OMD and formerly at Mindshare.
Reporting directly to Ozone’s global Chief Revenue Officer, Craig Tuck, and working alongside Emma Cranston, Senior Director of Advertising, Harrison will oversee initiatives that strengthen commercial partnerships and drive platform adoption. To this end, Jhan Hancock-Rushton and Frances Lazenby, Ozone’s Client & Strategy Director and Strategic Solutions Director respectively, will report to Harrison. He will also ensure that Ozone’s partnerships support wider business growth across international markets, including Europe, the US and Asia.
Tuck said: “Over the past seven years, we’ve worked hard to create a really credible, premium alternative to the major digital platforms. Today, we connect brands to audiences across 50 of the world’s most trusted and best-known publisher groups. As we continue to expand our reach and deliver better outcomes for our customers, this newly created role will be pivotal in driving meaningful, ‘platform scale’ partnerships with both existing and new agency and advertiser clients. We’re thrilled to welcome Tom to the team, his wealth of experience will play a key part in creating and scaling incremental value for our audience-first publisher partners and deliver a real connection advantage for our clients.”
Harrison added: “I’m thrilled to join Ozone in this newly created role. After eighteen years on the agency side, I’ve seen firsthand the value that strong partnerships can deliver. Ozone’s rapid growth in recent years is extremely exciting and I’m looking forward to helping clients harness the platform’s audience connection capabilities in smarter, more creative ways—building partnerships that deliver real impact across the UK and beyond.”
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