Andrea Lennon

Andrea Lennon is Global Chief Client Officer responsible for client experience, the global client leadership team, and overall health for Omnicom’s largest global accounts. She sets growth strategies and curates the deep craft expertise necessary for delivering modern and future-forward marketing solutions for our clients. 

Her background is in customer experience, digital transformation and innovating client brand ecosystems. She spent 7 years in executive management at Critical Mass, Omnicom’s experience design agency most recently as their Global President. Working across Asia, Europe and the US, she helped innovate capabilities and deliver growth in connected ecosystems; data-driven creativity; content automation; ecommerce; and performance marketing. Andrea’s also held positions at R/GA and WPP, leading omnichannel brand communications for top global brands in health, hospitality, CPG and financial services. 

She continues her work in promoting equity and inclusion, setting diversity goals and enacting bias training. In her off hours, Andrea is a volunteer to young talent through BIMA, Who’s Your Momma, and Omniwomen.