French (pictured) is an experienced leader in the technology and programmatic media space. She was most recently managing director, Xaxis EMEA Pan Regional, where she led the sales, account management and campaign management teams. She has also worked at Microsoft holding a number of account management roles.

French will start on 1st November and report to global chief executive officer, Caroline Frankum.

Frankum said: "Angie has achieved impressive success leading high performance teams in competitive, complex and changing markets. Her experience working for leading media and tech brands, who are famous for fast growth, coupled with her refreshing digital vision is exciting and perfect timing for Lightspeed as we accelerate our mission to help clients discover truth through data."

French added: "With the recent launch of LifePoints and the Gravity Network signalling how Lightspeed is moving from a place of strength to a position of transformation, I am excited to be joining this team."