Geometry Global, the WPP-owned brand activation agency, has appointed its UK chief executive Sarah Todd to its global leadership team.

Todd will assume the roles of global client leader and head of shopper marketing, EMEA. She will be responsible for strategic brand development and delivery for global clients across 56 markets.

Geometry’s clients include GSK, Coca-Cola, Emirates, HSBC and Unilever.

Todd will be replaced as UK chief executive by Michelle Whelan, who joins the agency following a stint as managing director M&C Saatchi Shop.

Geometry Global chief executive Steve Harding commented: “We are experiencing a growing client demand for shopper marketing expertise as a result of on-going technology transformation and changing customer behaviour. Moreover, many brands want to work with us on a global scale.

“Sarah’s exceptional ability of building powerful, trusted client partnerships, her world class innovative shopper marketing expertise, and success in growing our UK operation, place her perfectly to help brands transform and succeed locally and globally.”

Todd added: “I couldn’t be more excited about my new role. We have world class clients, a powerful set of capabilities and tools, as well as brilliant talent across the network. I intend to help harness this talent and drive even greater results for our clients across markets.

“I’m looking forward to working with Steve and the teams across the network to help realise our global growth and innovation ambitions.”

It follows the promotion of EMEA chief executive Pietro Leone to a newly-created global role leading its consultancy offering, Geometry Intelligence.