Clayton (pictured) was previously managing partner at Omnicom Media Group UK, where she oversaw the development of the firm’s precision marketing platform Omni and oversaw the company’s UK product roadmap.

In addition, Clayton has been managing director and global account director for Unilever at Omnicom’s PHD Singapore.

Other prior positions include spells at BBC Worldwide, IPG Mediabrands and Dentsu, and before joining Omnicom was global head of research and insight at Carat Global, after leading its Asia-Pacific research and insights team.

In her new role, Clayton will be responsible for Annalect’s strategic direction and for leading the development of Omni in the UK.

Dan Clays, UK chief executive at Omnicom Media Group, said: “Marie has made an outstanding impact on our business since she joined us two-and-a-half years ago – leading the successful rollout of Omni in the UK and playing a highly influential role with clients enabling them to unlock the potential of our platform and applications.”